90880911

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 147981600

約数和(自身を除く): 57100689

約数列:

[1, 3, 9, 11, 33, 61, 99, 101, 149, 183, 303, 447, 549, 671, 909, 1111, 1341, 1639, 2013, 3333, 4917, 6039, 6161, 9089, 9999, 14751, 15049, 18483, 27267, 45147, 55449, 67771, 81801, 99979, 135441, 165539, 203313, 299937, 496617, 609939, 899811, 917989, 1489851, 2753967, 8261901, 10097879, 30293637, 90880911]

約数ペア:

[(1, 90880911), (3, 30293637), (9, 10097879), (11, 8261901), (33, 2753967), (61, 1489851), (99, 917989), (101, 899811), (149, 609939), (183, 496617), (303, 299937), (447, 203313), (549, 165539), (671, 135441), (909, 99979), (1111, 81801), (1341, 67771), (1639, 55449), (2013, 45147), (3333, 27267), (4917, 18483), (6039, 15049), (6161, 14751), (9089, 9999)]