80496759

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 130277376

約数和(自身を除く): 49780617

約数列:

[1, 3, 7, 21, 47, 49, 61, 141, 147, 183, 191, 329, 427, 573, 987, 1281, 1337, 2303, 2867, 2989, 4011, 6909, 8601, 8967, 8977, 9359, 11651, 20069, 26931, 28077, 34953, 60207, 62839, 81557, 140483, 188517, 244671, 421449, 439873, 547597, 570899, 1319619, 1642791, 1712697, 3833179, 11499537, 26832253, 80496759]

約数ペア:

[(1, 80496759), (3, 26832253), (7, 11499537), (21, 3833179), (47, 1712697), (49, 1642791), (61, 1319619), (141, 570899), (147, 547597), (183, 439873), (191, 421449), (329, 244671), (427, 188517), (573, 140483), (987, 81557), (1281, 62839), (1337, 60207), (2303, 34953), (2867, 28077), (2989, 26931), (4011, 20069), (6909, 11651), (8601, 9359), (8967, 8977)]