664918551

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{1861}}^1$

素因数の和:2285

約数の個数: 40

約数和(自身を含む): 1086856848

約数和(自身を除く): 421938297

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 401, 891, 1203, 1861, 3609, 4411, 5583, 10827, 13233, 16749, 20471, 32481, 39699, 50247, 61413, 119097, 150741, 184239, 357291, 552717, 746261, 1658151, 2238783, 6716349, 8208871, 20149047, 24626613, 60447141, 73879839, 221639517, 664918551]

約数ペア:

[(1, 664918551), (3, 221639517), (9, 73879839), (11, 60447141), (27, 24626613), (33, 20149047), (81, 8208871), (99, 6716349), (297, 2238783), (401, 1658151), (891, 746261), (1203, 552717), (1861, 357291), (3609, 184239), (4411, 150741), (5583, 119097), (10827, 61413), (13233, 50247), (16749, 39699), (20471, 32481)]