31700175

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 59089968

約数和(自身を除く): 27389793

約数列:

[1, 3, 5, 13, 15, 25, 39, 41, 61, 65, 75, 123, 169, 183, 195, 205, 305, 325, 507, 533, 615, 793, 845, 915, 975, 1025, 1525, 1599, 2379, 2501, 2535, 2665, 3075, 3965, 4225, 4575, 6929, 7503, 7995, 10309, 11895, 12505, 12675, 13325, 19825, 20787, 30927, 32513, 34645, 37515, 39975, 51545, 59475, 62525, 97539, 103935, 154635, 162565, 173225, 187575, 257725, 422669, 487695, 519675, 773175, 812825, 1268007, 2113345, 2438475, 6340035, 10566725, 31700175]

約数ペア:

[(1, 31700175), (3, 10566725), (5, 6340035), (13, 2438475), (15, 2113345), (25, 1268007), (39, 812825), (41, 773175), (61, 519675), (65, 487695), (75, 422669), (123, 257725), (169, 187575), (183, 173225), (195, 162565), (205, 154635), (305, 103935), (325, 97539), (507, 62525), (533, 59475), (615, 51545), (793, 39975), (845, 37515), (915, 34645), (975, 32513), (1025, 30927), (1525, 20787), (1599, 19825), (2379, 13325), (2501, 12675), (2535, 12505), (2665, 11895), (3075, 10309), (3965, 7995), (4225, 7503), (4575, 6929)]