31272765

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{557}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 53032320

約数和(自身を除く): 21759555

約数列:

[1, 3, 5, 15, 19, 57, 95, 197, 285, 557, 591, 985, 1671, 2785, 2955, 3743, 8355, 10583, 11229, 18715, 31749, 52915, 56145, 109729, 158745, 329187, 548645, 1645935, 2084851, 6254553, 10424255, 31272765]

約数ペア:

[(1, 31272765), (3, 10424255), (5, 6254553), (15, 2084851), (19, 1645935), (57, 548645), (95, 329187), (197, 158745), (285, 109729), (557, 56145), (591, 52915), (985, 31749), (1671, 18715), (2785, 11229), (2955, 10583), (3743, 8355)]