72212007

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{379}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 113428480

約数和(自身を除く): 41216473

約数列:

[1, 3, 7, 21, 43, 129, 211, 301, 379, 633, 903, 1137, 1477, 2653, 4431, 7959, 9073, 16297, 27219, 48891, 63511, 79969, 114079, 190533, 239907, 342237, 559783, 1679349, 3438667, 10316001, 24070669, 72212007]

約数ペア:

[(1, 72212007), (3, 24070669), (7, 10316001), (21, 3438667), (43, 1679349), (129, 559783), (211, 342237), (301, 239907), (379, 190533), (633, 114079), (903, 79969), (1137, 63511), (1477, 48891), (2653, 27219), (4431, 16297), (7959, 9073)]