15898815

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 30412800

約数和(自身を除く): 14513985

約数列:

[1, 3, 5, 9, 15, 27, 29, 31, 45, 87, 93, 131, 135, 145, 155, 261, 279, 393, 435, 465, 655, 783, 837, 899, 1179, 1305, 1395, 1965, 2697, 3537, 3799, 3915, 4061, 4185, 4495, 5895, 8091, 11397, 12183, 13485, 17685, 18995, 20305, 24273, 34191, 36549, 40455, 56985, 60915, 102573, 109647, 117769, 121365, 170955, 182745, 353307, 512865, 548235, 588845, 1059921, 1766535, 3179763, 5299605, 15898815]

約数ペア:

[(1, 15898815), (3, 5299605), (5, 3179763), (9, 1766535), (15, 1059921), (27, 588845), (29, 548235), (31, 512865), (45, 353307), (87, 182745), (93, 170955), (131, 121365), (135, 117769), (145, 109647), (155, 102573), (261, 60915), (279, 56985), (393, 40455), (435, 36549), (465, 34191), (655, 24273), (783, 20305), (837, 18995), (899, 17685), (1179, 13485), (1305, 12183), (1395, 11397), (1965, 8091), (2697, 5895), (3537, 4495), (3799, 4185), (3915, 4061)]