31115175

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:177

約数の個数: 96

約数和(自身を含む): 65329152

約数和(自身を除く): 34213977

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 47, 65, 75, 91, 97, 105, 141, 175, 195, 235, 273, 291, 325, 329, 455, 485, 525, 611, 679, 705, 975, 987, 1175, 1261, 1365, 1455, 1645, 1833, 2037, 2275, 2425, 3055, 3395, 3525, 3783, 4277, 4559, 4935, 6305, 6825, 7275, 8225, 8827, 9165, 10185, 12831, 13677, 15275, 16975, 18915, 21385, 22795, 24675, 26481, 31525, 31913, 44135, 45825, 50925, 59267, 64155, 68385, 94575, 95739, 106925, 113975, 132405, 159565, 177801, 220675, 296335, 320775, 341925, 414869, 478695, 662025, 797825, 889005, 1244607, 1481675, 2074345, 2393475, 4445025, 6223035, 10371725, 31115175]

約数ペア:

[(1, 31115175), (3, 10371725), (5, 6223035), (7, 4445025), (13, 2393475), (15, 2074345), (21, 1481675), (25, 1244607), (35, 889005), (39, 797825), (47, 662025), (65, 478695), (75, 414869), (91, 341925), (97, 320775), (105, 296335), (141, 220675), (175, 177801), (195, 159565), (235, 132405), (273, 113975), (291, 106925), (325, 95739), (329, 94575), (455, 68385), (485, 64155), (525, 59267), (611, 50925), (679, 45825), (705, 44135), (975, 31913), (987, 31525), (1175, 26481), (1261, 24675), (1365, 22795), (1455, 21385), (1645, 18915), (1833, 16975), (2037, 15275), (2275, 13677), (2425, 12831), (3055, 10185), (3395, 9165), (3525, 8827), (3783, 8225), (4277, 7275), (4559, 6825), (4935, 6305)]