248479917

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{1693}}^1$

素因数の和:1973

約数の個数: 32

約数和(自身を含む): 393550080

約数和(自身を除く): 145070163

約数列:

[1, 3, 7, 21, 29, 87, 203, 241, 609, 723, 1687, 1693, 5061, 5079, 6989, 11851, 20967, 35553, 48923, 49097, 146769, 147291, 343679, 408013, 1031037, 1224039, 2856091, 8568273, 11832377, 35497131, 82826639, 248479917]

約数ペア:

[(1, 248479917), (3, 82826639), (7, 35497131), (21, 11832377), (29, 8568273), (87, 2856091), (203, 1224039), (241, 1031037), (609, 408013), (723, 343679), (1687, 147291), (1693, 146769), (5061, 49097), (5079, 48923), (6989, 35553), (11851, 20967)]