28853955

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1$

素因数の和:469

約数の個数: 64

約数和(自身を含む): 56730240

約数和(自身を除く): 27876285

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 41, 45, 65, 117, 123, 135, 195, 205, 351, 369, 401, 533, 585, 615, 1107, 1203, 1599, 1755, 1845, 2005, 2665, 3609, 4797, 5213, 5535, 6015, 7995, 10827, 14391, 15639, 16441, 18045, 23985, 26065, 46917, 49323, 54135, 71955, 78195, 82205, 140751, 147969, 213733, 234585, 246615, 443907, 641199, 703755, 739845, 1068665, 1923597, 2219535, 3205995, 5770791, 9617985, 28853955]

約数ペア:

[(1, 28853955), (3, 9617985), (5, 5770791), (9, 3205995), (13, 2219535), (15, 1923597), (27, 1068665), (39, 739845), (41, 703755), (45, 641199), (65, 443907), (117, 246615), (123, 234585), (135, 213733), (195, 147969), (205, 140751), (351, 82205), (369, 78195), (401, 71955), (533, 54135), (585, 49323), (615, 46917), (1107, 26065), (1203, 23985), (1599, 18045), (1755, 16441), (1845, 15639), (2005, 14391), (2665, 10827), (3609, 7995), (4797, 6015), (5213, 5535)]