201216915

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{120851}}^1$

素因数の和:120899

約数の個数: 24

約数和(自身を含む): 358205328

約数和(自身を除く): 156988413

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 1665, 120851, 362553, 604255, 1087659, 1812765, 4471487, 5438295, 13414461, 22357435, 40243383, 67072305, 201216915]

約数ペア:

[(1, 201216915), (3, 67072305), (5, 40243383), (9, 22357435), (15, 13414461), (37, 5438295), (45, 4471487), (111, 1812765), (185, 1087659), (333, 604255), (555, 362553), (1665, 120851)]