320920587

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3847}}^1$

素因数の和:3920

約数の個数: 48

約数和(自身を含む): 537858048

約数和(自身を除く): 216937461

約数列:

[1, 3, 9, 13, 23, 31, 39, 69, 93, 117, 207, 279, 299, 403, 713, 897, 1209, 2139, 2691, 3627, 3847, 6417, 9269, 11541, 27807, 34623, 50011, 83421, 88481, 119257, 150033, 265443, 357771, 450099, 796329, 1073313, 1150253, 1550341, 2742911, 3450759, 4651023, 8228733, 10352277, 13953069, 24686199, 35657843, 106973529, 320920587]

約数ペア:

[(1, 320920587), (3, 106973529), (9, 35657843), (13, 24686199), (23, 13953069), (31, 10352277), (39, 8228733), (69, 4651023), (93, 3450759), (117, 2742911), (207, 1550341), (279, 1150253), (299, 1073313), (403, 796329), (713, 450099), (897, 357771), (1209, 265443), (2139, 150033), (2691, 119257), (3627, 88481), (3847, 83421), (6417, 50011), (9269, 34623), (11541, 27807)]