1621739574

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{141439}}^1$

素因数の和:141474

約数の個数: 72

約数和(自身を含む): 4401895680

約数和(自身を除く): 2780156106

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 49, 63, 78, 91, 98, 117, 126, 147, 182, 234, 273, 294, 441, 546, 637, 819, 882, 1274, 1638, 1911, 3822, 5733, 11466, 141439, 282878, 424317, 848634, 990073, 1272951, 1838707, 1980146, 2545902, 2970219, 3677414, 5516121, 5940438, 6930511, 8910657, 11032242, 12870949, 13861022, 16548363, 17821314, 20791533, 25741898, 33096726, 38612847, 41583066, 62374599, 77225694, 90096643, 115838541, 124749198, 180193286, 231677082, 270289929, 540579858, 810869787, 1621739574]

約数ペア:

[(1, 1621739574), (2, 810869787), (3, 540579858), (6, 270289929), (7, 231677082), (9, 180193286), (13, 124749198), (14, 115838541), (18, 90096643), (21, 77225694), (26, 62374599), (39, 41583066), (42, 38612847), (49, 33096726), (63, 25741898), (78, 20791533), (91, 17821314), (98, 16548363), (117, 13861022), (126, 12870949), (147, 11032242), (182, 8910657), (234, 6930511), (273, 5940438), (294, 5516121), (441, 3677414), (546, 2970219), (637, 2545902), (819, 1980146), (882, 1838707), (1274, 1272951), (1638, 990073), (1911, 848634), (3822, 424317), (5733, 282878), (11466, 141439)]