31354545

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2999}}^1$

素因数の和:3065

約数の個数: 32

約数和(自身を含む): 54432000

約数和(自身を除く): 23077455

約数列:

[1, 3, 5, 15, 17, 41, 51, 85, 123, 205, 255, 615, 697, 2091, 2999, 3485, 8997, 10455, 14995, 44985, 50983, 122959, 152949, 254915, 368877, 614795, 764745, 1844385, 2090303, 6270909, 10451515, 31354545]

約数ペア:

[(1, 31354545), (3, 10451515), (5, 6270909), (15, 2090303), (17, 1844385), (41, 764745), (51, 614795), (85, 368877), (123, 254915), (205, 152949), (255, 122959), (615, 50983), (697, 44985), (2091, 14995), (2999, 10455), (3485, 8997)]