1816668

素因数分解:

$2^2\times 3^6\times 7^1\times {\mathrm{89}}^1$

素因数の和:118

約数の個数: 84

約数和(自身を含む): 5508720

約数和(自身を除く): 3692052

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 89, 108, 126, 162, 178, 189, 243, 252, 267, 324, 356, 378, 486, 534, 567, 623, 729, 756, 801, 972, 1068, 1134, 1246, 1458, 1602, 1701, 1869, 2268, 2403, 2492, 2916, 3204, 3402, 3738, 4806, 5103, 5607, 6804, 7209, 7476, 9612, 10206, 11214, 14418, 16821, 20412, 21627, 22428, 28836, 33642, 43254, 50463, 64881, 67284, 86508, 100926, 129762, 151389, 201852, 259524, 302778, 454167, 605556, 908334, 1816668]

約数ペア:

[(1, 1816668), (2, 908334), (3, 605556), (4, 454167), (6, 302778), (7, 259524), (9, 201852), (12, 151389), (14, 129762), (18, 100926), (21, 86508), (27, 67284), (28, 64881), (36, 50463), (42, 43254), (54, 33642), (63, 28836), (81, 22428), (84, 21627), (89, 20412), (108, 16821), (126, 14418), (162, 11214), (178, 10206), (189, 9612), (243, 7476), (252, 7209), (267, 6804), (324, 5607), (356, 5103), (378, 4806), (486, 3738), (534, 3402), (567, 3204), (623, 2916), (729, 2492), (756, 2403), (801, 2268), (972, 1869), (1068, 1701), (1134, 1602), (1246, 1458)]