3891225

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{307}}^1$

素因数の和:346

約数の個数: 36

約数和(自身を含む): 6989136

約数和(自身を除く): 3097911

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 169, 195, 307, 325, 507, 845, 921, 975, 1535, 2535, 3991, 4225, 4605, 7675, 11973, 12675, 19955, 23025, 51883, 59865, 99775, 155649, 259415, 299325, 778245, 1297075, 3891225]

約数ペア:

[(1, 3891225), (3, 1297075), (5, 778245), (13, 299325), (15, 259415), (25, 155649), (39, 99775), (65, 59865), (75, 51883), (169, 23025), (195, 19955), (307, 12675), (325, 11973), (507, 7675), (845, 4605), (921, 4225), (975, 3991), (1535, 2535)]