28184085

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1$

素因数の和:379

約数の個数: 64

約数和(自身を含む): 54259200

約数和(自身を除く): 26075115

約数列:

[1, 3, 5, 9, 15, 23, 27, 29, 45, 69, 87, 115, 135, 145, 207, 261, 313, 345, 435, 621, 667, 783, 939, 1035, 1305, 1565, 2001, 2817, 3105, 3335, 3915, 4695, 6003, 7199, 8451, 9077, 10005, 14085, 18009, 21597, 27231, 30015, 35995, 42255, 45385, 64791, 81693, 90045, 107985, 136155, 194373, 208771, 245079, 323955, 408465, 626313, 971865, 1043855, 1225395, 1878939, 3131565, 5636817, 9394695, 28184085]

約数ペア:

[(1, 28184085), (3, 9394695), (5, 5636817), (9, 3131565), (15, 1878939), (23, 1225395), (27, 1043855), (29, 971865), (45, 626313), (69, 408465), (87, 323955), (115, 245079), (135, 208771), (145, 194373), (207, 136155), (261, 107985), (313, 90045), (345, 81693), (435, 64791), (621, 45385), (667, 42255), (783, 35995), (939, 30015), (1035, 27231), (1305, 21597), (1565, 18009), (2001, 14085), (2817, 10005), (3105, 9077), (3335, 8451), (3915, 7199), (4695, 6003)]