66720297

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{379}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 104186880

約数和(自身を除く): 37466583

約数列:

[1, 3, 7, 21, 83, 101, 249, 303, 379, 581, 707, 1137, 1743, 2121, 2653, 7959, 8383, 25149, 31457, 38279, 58681, 94371, 114837, 176043, 220199, 267953, 660597, 803859, 3177157, 9531471, 22240099, 66720297]

約数ペア:

[(1, 66720297), (3, 22240099), (7, 9531471), (21, 3177157), (83, 803859), (101, 660597), (249, 267953), (303, 220199), (379, 176043), (581, 114837), (707, 94371), (1137, 58681), (1743, 38279), (2121, 31457), (2653, 25149), (7959, 8383)]