31903956

素因数分解:

$2^2\times 3^7\times 7^1\times {\mathrm{521}}^1$

素因数の和:553

約数の個数: 96

約数和(自身を含む): 95880960

約数和(自身を除く): 63977004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 521, 567, 729, 756, 972, 1042, 1134, 1458, 1563, 1701, 2084, 2187, 2268, 2916, 3126, 3402, 3647, 4374, 4689, 5103, 6252, 6804, 7294, 8748, 9378, 10206, 10941, 14067, 14588, 15309, 18756, 20412, 21882, 28134, 30618, 32823, 42201, 43764, 56268, 61236, 65646, 84402, 98469, 126603, 131292, 168804, 196938, 253206, 295407, 379809, 393876, 506412, 590814, 759618, 886221, 1139427, 1181628, 1519236, 1772442, 2278854, 2658663, 3544884, 4557708, 5317326, 7975989, 10634652, 15951978, 31903956]

約数ペア:

[(1, 31903956), (2, 15951978), (3, 10634652), (4, 7975989), (6, 5317326), (7, 4557708), (9, 3544884), (12, 2658663), (14, 2278854), (18, 1772442), (21, 1519236), (27, 1181628), (28, 1139427), (36, 886221), (42, 759618), (54, 590814), (63, 506412), (81, 393876), (84, 379809), (108, 295407), (126, 253206), (162, 196938), (189, 168804), (243, 131292), (252, 126603), (324, 98469), (378, 84402), (486, 65646), (521, 61236), (567, 56268), (729, 43764), (756, 42201), (972, 32823), (1042, 30618), (1134, 28134), (1458, 21882), (1563, 20412), (1701, 18756), (2084, 15309), (2187, 14588), (2268, 14067), (2916, 10941), (3126, 10206), (3402, 9378), (3647, 8748), (4374, 7294), (4689, 6804), (5103, 6252)]