1277881011

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{1499}}^1$

素因数の和:1704

約数の個数: 48

約数和(自身を含む): 2059200000

約数和(自身を除く): 781318989

約数列:

[1, 3, 9, 11, 33, 79, 99, 109, 237, 327, 711, 869, 981, 1199, 1499, 2607, 3597, 4497, 7821, 8611, 10791, 13491, 16489, 25833, 49467, 77499, 94721, 118421, 148401, 163391, 284163, 355263, 490173, 852489, 1065789, 1302631, 1470519, 1797301, 3907893, 5391903, 11723679, 12907889, 16175709, 38723667, 116171001, 141986779, 425960337, 1277881011]

約数ペア:

[(1, 1277881011), (3, 425960337), (9, 141986779), (11, 116171001), (33, 38723667), (79, 16175709), (99, 12907889), (109, 11723679), (237, 5391903), (327, 3907893), (711, 1797301), (869, 1470519), (981, 1302631), (1199, 1065789), (1499, 852489), (2607, 490173), (3597, 355263), (4497, 284163), (7821, 163391), (8611, 148401), (10791, 118421), (13491, 94721), (16489, 77499), (25833, 49467)]