312071775

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{397}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 530632704

約数和(自身を除く): 218560929

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 223, 235, 397, 669, 705, 1115, 1175, 1191, 1985, 3345, 3525, 5575, 5955, 9925, 10481, 16725, 18659, 29775, 31443, 52405, 55977, 88531, 93295, 157215, 262025, 265593, 279885, 442655, 466475, 786075, 1327965, 1399425, 2213275, 4160957, 6639825, 12482871, 20804785, 62414355, 104023925, 312071775]

約数ペア:

[(1, 312071775), (3, 104023925), (5, 62414355), (15, 20804785), (25, 12482871), (47, 6639825), (75, 4160957), (141, 2213275), (223, 1399425), (235, 1327965), (397, 786075), (669, 466475), (705, 442655), (1115, 279885), (1175, 265593), (1191, 262025), (1985, 157215), (3345, 93295), (3525, 88531), (5575, 55977), (5955, 52405), (9925, 31443), (10481, 29775), (16725, 18659)]