902388579

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1\times {\mathrm{479}}^1$

素因数の和:991

約数の個数: 32

約数和(自身を含む): 1274019840

約数和(自身を除く): 371631261

約数列:

[1, 3, 31, 47, 93, 141, 431, 479, 1293, 1437, 1457, 4371, 13361, 14849, 20257, 22513, 40083, 44547, 60771, 67539, 206449, 619347, 627967, 697903, 1883901, 2093709, 6399919, 9703103, 19199757, 29109309, 300796193, 902388579]

約数ペア:

[(1, 902388579), (3, 300796193), (31, 29109309), (47, 19199757), (93, 9703103), (141, 6399919), (431, 2093709), (479, 1883901), (1293, 697903), (1437, 627967), (1457, 619347), (4371, 206449), (13361, 67539), (14849, 60771), (20257, 44547), (22513, 40083)]