31011687

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:193

約数の個数: 64

約数和(自身を含む): 55705600

約数和(自身を除く): 24693913

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 67, 79, 93, 189, 201, 217, 237, 279, 469, 553, 603, 651, 711, 837, 1407, 1659, 1809, 1953, 2077, 2133, 2449, 4221, 4977, 5293, 5859, 6231, 7347, 12663, 14539, 14931, 15879, 17143, 18693, 22041, 37051, 43617, 47637, 51429, 56079, 66123, 111153, 130851, 142911, 154287, 164083, 333459, 392553, 462861, 492249, 1000377, 1148581, 1476747, 3445743, 4430241, 10337229, 31011687]

約数ペア:

[(1, 31011687), (3, 10337229), (7, 4430241), (9, 3445743), (21, 1476747), (27, 1148581), (31, 1000377), (63, 492249), (67, 462861), (79, 392553), (93, 333459), (189, 164083), (201, 154287), (217, 142911), (237, 130851), (279, 111153), (469, 66123), (553, 56079), (603, 51429), (651, 47637), (711, 43617), (837, 37051), (1407, 22041), (1659, 18693), (1809, 17143), (1953, 15879), (2077, 14931), (2133, 14539), (2449, 12663), (4221, 7347), (4977, 6231), (5293, 5859)]