251880705

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{3527}}^1$

素因数の和:3587

約数の個数: 48

約数和(自身を含む): 468236160

約数和(自身を除く): 216355455

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 529, 621, 1035, 1587, 2645, 3105, 3527, 4761, 7935, 10581, 14283, 17635, 23805, 31743, 52905, 71415, 81121, 95229, 158715, 243363, 405605, 476145, 730089, 1216815, 1865783, 2190267, 3650445, 5597349, 9328915, 10951335, 16792047, 27986745, 50376141, 83960235, 251880705]

約数ペア:

[(1, 251880705), (3, 83960235), (5, 50376141), (9, 27986745), (15, 16792047), (23, 10951335), (27, 9328915), (45, 5597349), (69, 3650445), (115, 2190267), (135, 1865783), (207, 1216815), (345, 730089), (529, 476145), (621, 405605), (1035, 243363), (1587, 158715), (2645, 95229), (3105, 81121), (3527, 71415), (4761, 52905), (7935, 31743), (10581, 23805), (14283, 17635)]