47321715

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 90832896

約数和(自身を除く): 43511181

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 47, 105, 129, 141, 215, 223, 235, 301, 329, 645, 669, 705, 903, 987, 1115, 1505, 1561, 1645, 2021, 3345, 4515, 4683, 4935, 6063, 7805, 9589, 10105, 10481, 14147, 23415, 28767, 30315, 31443, 42441, 47945, 52405, 67123, 70735, 73367, 143835, 157215, 201369, 212205, 220101, 335615, 366835, 450683, 1006845, 1100505, 1352049, 2253415, 3154781, 6760245, 9464343, 15773905, 47321715]

約数ペア:

[(1, 47321715), (3, 15773905), (5, 9464343), (7, 6760245), (15, 3154781), (21, 2253415), (35, 1352049), (43, 1100505), (47, 1006845), (105, 450683), (129, 366835), (141, 335615), (215, 220101), (223, 212205), (235, 201369), (301, 157215), (329, 143835), (645, 73367), (669, 70735), (705, 67123), (903, 52405), (987, 47945), (1115, 42441), (1505, 31443), (1561, 30315), (1645, 28767), (2021, 23415), (3345, 14147), (4515, 10481), (4683, 10105), (4935, 9589), (6063, 7805)]