31308255

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{727}}^1$

素因数の和:781

約数の個数: 64

約数和(自身を含む): 62899200

約数和(自身を除く): 31590945

約数列:

[1, 3, 5, 9, 11, 15, 27, 29, 33, 45, 55, 87, 99, 135, 145, 165, 261, 297, 319, 435, 495, 727, 783, 957, 1305, 1485, 1595, 2181, 2871, 3635, 3915, 4785, 6543, 7997, 8613, 10905, 14355, 19629, 21083, 23991, 32715, 39985, 43065, 63249, 71973, 98145, 105415, 119955, 189747, 215919, 231913, 316245, 359865, 569241, 695739, 948735, 1079595, 1159565, 2087217, 2846205, 3478695, 6261651, 10436085, 31308255]

約数ペア:

[(1, 31308255), (3, 10436085), (5, 6261651), (9, 3478695), (11, 2846205), (15, 2087217), (27, 1159565), (29, 1079595), (33, 948735), (45, 695739), (55, 569241), (87, 359865), (99, 316245), (135, 231913), (145, 215919), (165, 189747), (261, 119955), (297, 105415), (319, 98145), (435, 71973), (495, 63249), (727, 43065), (783, 39985), (957, 32715), (1305, 23991), (1485, 21083), (1595, 19629), (2181, 14355), (2871, 10905), (3635, 8613), (3915, 7997), (4785, 6543)]