72909018

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:469

約数の個数: 128

約数和(自身を含む): 205309440

約数和(自身を除く): 132400422

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 37, 39, 42, 54, 63, 74, 78, 91, 111, 117, 126, 182, 189, 222, 234, 259, 273, 333, 351, 378, 401, 481, 518, 546, 666, 702, 777, 802, 819, 962, 999, 1203, 1443, 1554, 1638, 1998, 2331, 2406, 2457, 2807, 2886, 3367, 3609, 4329, 4662, 4914, 5213, 5614, 6734, 6993, 7218, 8421, 8658, 10101, 10426, 10827, 12987, 13986, 14837, 15639, 16842, 20202, 21654, 25263, 25974, 29674, 30303, 31278, 36491, 44511, 46917, 50526, 60606, 72982, 75789, 89022, 90909, 93834, 103859, 109473, 133533, 140751, 151578, 181818, 192881, 207718, 218946, 267066, 281502, 311577, 328419, 385762, 400599, 578643, 623154, 656838, 801198, 934731, 985257, 1157286, 1350167, 1735929, 1869462, 1970514, 2700334, 2804193, 3471858, 4050501, 5207787, 5608386, 8101002, 10415574, 12151503, 24303006, 36454509, 72909018]

約数ペア:

[(1, 72909018), (2, 36454509), (3, 24303006), (6, 12151503), (7, 10415574), (9, 8101002), (13, 5608386), (14, 5207787), (18, 4050501), (21, 3471858), (26, 2804193), (27, 2700334), (37, 1970514), (39, 1869462), (42, 1735929), (54, 1350167), (63, 1157286), (74, 985257), (78, 934731), (91, 801198), (111, 656838), (117, 623154), (126, 578643), (182, 400599), (189, 385762), (222, 328419), (234, 311577), (259, 281502), (273, 267066), (333, 218946), (351, 207718), (378, 192881), (401, 181818), (481, 151578), (518, 140751), (546, 133533), (666, 109473), (702, 103859), (777, 93834), (802, 90909), (819, 89022), (962, 75789), (999, 72982), (1203, 60606), (1443, 50526), (1554, 46917), (1638, 44511), (1998, 36491), (2331, 31278), (2406, 30303), (2457, 29674), (2807, 25974), (2886, 25263), (3367, 21654), (3609, 20202), (4329, 16842), (4662, 15639), (4914, 14837), (5213, 13986), (5614, 12987), (6734, 10827), (6993, 10426), (7218, 10101), (8421, 8658)]