81331992

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{53791}}^1$

素因数の和:53813

約数の個数: 64

約数和(自身を含む): 258201600

約数和(自身を除く): 176869608

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 53791, 107582, 161373, 215164, 322746, 376537, 430328, 484119, 645492, 753074, 968238, 1129611, 1290984, 1452357, 1506148, 1936476, 2259222, 2904714, 3012296, 3388833, 3872952, 4518444, 5809428, 6777666, 9036888, 10166499, 11618856, 13555332, 20332998, 27110664, 40665996, 81331992]

約数ペア:

[(1, 81331992), (2, 40665996), (3, 27110664), (4, 20332998), (6, 13555332), (7, 11618856), (8, 10166499), (9, 9036888), (12, 6777666), (14, 5809428), (18, 4518444), (21, 3872952), (24, 3388833), (27, 3012296), (28, 2904714), (36, 2259222), (42, 1936476), (54, 1506148), (56, 1452357), (63, 1290984), (72, 1129611), (84, 968238), (108, 753074), (126, 645492), (168, 484119), (189, 430328), (216, 376537), (252, 322746), (378, 215164), (504, 161373), (756, 107582), (1512, 53791)]