221913375

素因数分解:

$3^1\times 5^3\times {\mathrm{151}}^1\times {\mathrm{3919}}^1$

素因数の和:4088

約数の個数: 32

約数和(自身を含む): 371804160

約数和(自身を除く): 149890785

約数列:

[1, 3, 5, 15, 25, 75, 125, 151, 375, 453, 755, 2265, 3775, 3919, 11325, 11757, 18875, 19595, 56625, 58785, 97975, 293925, 489875, 591769, 1469625, 1775307, 2958845, 8876535, 14794225, 44382675, 73971125, 221913375]

約数ペア:

[(1, 221913375), (3, 73971125), (5, 44382675), (15, 14794225), (25, 8876535), (75, 2958845), (125, 1775307), (151, 1469625), (375, 591769), (453, 489875), (755, 293925), (2265, 97975), (3775, 58785), (3919, 56625), (11325, 19595), (11757, 18875)]