80941905

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1619}}^1$

素因数の和:1742

約数の個数: 48

約数和(自身を含む): 154664640

約数和(自身を除く): 73722735

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 101, 165, 303, 495, 505, 909, 1111, 1515, 1619, 3333, 4545, 4857, 5555, 8095, 9999, 14571, 16665, 17809, 24285, 49995, 53427, 72855, 89045, 160281, 163519, 267135, 490557, 801405, 817595, 1471671, 1798709, 2452785, 5396127, 7358355, 8993545, 16188381, 26980635, 80941905]

約数ペア:

[(1, 80941905), (3, 26980635), (5, 16188381), (9, 8993545), (11, 7358355), (15, 5396127), (33, 2452785), (45, 1798709), (55, 1471671), (99, 817595), (101, 801405), (165, 490557), (303, 267135), (495, 163519), (505, 160281), (909, 89045), (1111, 72855), (1515, 53427), (1619, 49995), (3333, 24285), (4545, 17809), (4857, 16665), (5555, 14571), (8095, 9999)]