308998215

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:261

約数の個数: 96

約数和(自身を含む): 587119104

約数和(自身を除く): 278120889

約数列:

[1, 3, 5, 9, 15, 23, 43, 45, 53, 69, 115, 129, 131, 159, 207, 215, 265, 345, 387, 393, 477, 645, 655, 795, 989, 1035, 1179, 1219, 1935, 1965, 2279, 2385, 2967, 3013, 3657, 4945, 5633, 5895, 6095, 6837, 6943, 8901, 9039, 10971, 11395, 14835, 15065, 16899, 18285, 20511, 20829, 27117, 28165, 34185, 34715, 44505, 45195, 50697, 52417, 54855, 62487, 84495, 102555, 104145, 129559, 135585, 157251, 159689, 253485, 262085, 298549, 312435, 388677, 471753, 479067, 647795, 786255, 798445, 895647, 1166031, 1437201, 1492745, 1943385, 2358765, 2395335, 2686941, 4478235, 5830155, 6866627, 7186005, 13434705, 20599881, 34333135, 61799643, 102999405, 308998215]

約数ペア:

[(1, 308998215), (3, 102999405), (5, 61799643), (9, 34333135), (15, 20599881), (23, 13434705), (43, 7186005), (45, 6866627), (53, 5830155), (69, 4478235), (115, 2686941), (129, 2395335), (131, 2358765), (159, 1943385), (207, 1492745), (215, 1437201), (265, 1166031), (345, 895647), (387, 798445), (393, 786255), (477, 647795), (645, 479067), (655, 471753), (795, 388677), (989, 312435), (1035, 298549), (1179, 262085), (1219, 253485), (1935, 159689), (1965, 157251), (2279, 135585), (2385, 129559), (2967, 104145), (3013, 102555), (3657, 84495), (4945, 62487), (5633, 54855), (5895, 52417), (6095, 50697), (6837, 45195), (6943, 44505), (8901, 34715), (9039, 34185), (10971, 28165), (11395, 27117), (14835, 20829), (15065, 20511), (16899, 18285)]