207973899

素因数分解:

$3^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4643}}^1$

素因数の和:4741

約数の個数: 40

約数和(自身を含む): 359631360

約数和(自身を除く): 151657461

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 81, 189, 237, 553, 567, 711, 1659, 2133, 4643, 4977, 6399, 13929, 14931, 32501, 41787, 44793, 97503, 125361, 292509, 366797, 376083, 877527, 1100391, 2567579, 2632581, 3301173, 7702737, 9903519, 23108211, 29710557, 69324633, 207973899]

約数ペア:

[(1, 207973899), (3, 69324633), (7, 29710557), (9, 23108211), (21, 9903519), (27, 7702737), (63, 3301173), (79, 2632581), (81, 2567579), (189, 1100391), (237, 877527), (553, 376083), (567, 366797), (711, 292509), (1659, 125361), (2133, 97503), (4643, 44793), (4977, 41787), (6399, 32501), (13929, 14931)]