68894865

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 138378240

約数和(自身を除く): 69483375

約数列:

[1, 3, 5, 9, 13, 15, 29, 31, 39, 45, 65, 87, 93, 117, 131, 145, 155, 195, 261, 279, 377, 393, 403, 435, 465, 585, 655, 899, 1131, 1179, 1209, 1305, 1395, 1703, 1885, 1965, 2015, 2697, 3393, 3627, 3799, 4061, 4495, 5109, 5655, 5895, 6045, 8091, 8515, 11397, 11687, 12183, 13485, 15327, 16965, 18135, 18995, 20305, 25545, 34191, 35061, 36549, 40455, 49387, 52793, 56985, 58435, 60915, 76635, 105183, 117769, 148161, 158379, 170955, 175305, 182745, 246935, 263965, 353307, 444483, 475137, 525915, 588845, 740805, 791895, 1059921, 1530997, 1766535, 2222415, 2375685, 4592991, 5299605, 7654985, 13778973, 22964955, 68894865]

約数ペア:

[(1, 68894865), (3, 22964955), (5, 13778973), (9, 7654985), (13, 5299605), (15, 4592991), (29, 2375685), (31, 2222415), (39, 1766535), (45, 1530997), (65, 1059921), (87, 791895), (93, 740805), (117, 588845), (131, 525915), (145, 475137), (155, 444483), (195, 353307), (261, 263965), (279, 246935), (377, 182745), (393, 175305), (403, 170955), (435, 158379), (465, 148161), (585, 117769), (655, 105183), (899, 76635), (1131, 60915), (1179, 58435), (1209, 56985), (1305, 52793), (1395, 49387), (1703, 40455), (1885, 36549), (1965, 35061), (2015, 34191), (2697, 25545), (3393, 20305), (3627, 18995), (3799, 18135), (4061, 16965), (4495, 15327), (5109, 13485), (5655, 12183), (5895, 11687), (6045, 11397), (8091, 8515)]