31560945

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 58834944

約数和(自身を除く): 27273999

約数列:

[1, 3, 5, 13, 15, 23, 31, 39, 65, 69, 93, 115, 155, 195, 227, 299, 345, 403, 465, 681, 713, 897, 1135, 1209, 1495, 2015, 2139, 2951, 3405, 3565, 4485, 5221, 6045, 7037, 8853, 9269, 10695, 14755, 15663, 21111, 26105, 27807, 35185, 44265, 46345, 67873, 78315, 91481, 105555, 139035, 161851, 203619, 274443, 339365, 457405, 485553, 809255, 1018095, 1372215, 2104063, 2427765, 6312189, 10520315, 31560945]

約数ペア:

[(1, 31560945), (3, 10520315), (5, 6312189), (13, 2427765), (15, 2104063), (23, 1372215), (31, 1018095), (39, 809255), (65, 485553), (69, 457405), (93, 339365), (115, 274443), (155, 203619), (195, 161851), (227, 139035), (299, 105555), (345, 91481), (403, 78315), (465, 67873), (681, 46345), (713, 44265), (897, 35185), (1135, 27807), (1209, 26105), (1495, 21111), (2015, 15663), (2139, 14755), (2951, 10695), (3405, 9269), (3565, 8853), (4485, 7037), (5221, 6045)]