31274355

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1999}}^1$

素因数の和:2163

約数の個数: 32

約数和(自身を含む): 57600000

約数和(自身を除く): 26325645

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 149, 447, 745, 1043, 1999, 2235, 3129, 5215, 5997, 9995, 13993, 15645, 29985, 41979, 69965, 209895, 297851, 893553, 1489255, 2084957, 4467765, 6254871, 10424785, 31274355]

約数ペア:

[(1, 31274355), (3, 10424785), (5, 6254871), (7, 4467765), (15, 2084957), (21, 1489255), (35, 893553), (105, 297851), (149, 209895), (447, 69965), (745, 41979), (1043, 29985), (1999, 15645), (2235, 13993), (3129, 9995), (5215, 5997)]