2121405

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:98

約数の個数: 64

約数和(自身を含む): 4257792

約数和(自身を除く): 2136387

約数列:

[1, 3, 5, 11, 13, 15, 23, 33, 39, 43, 55, 65, 69, 115, 129, 143, 165, 195, 215, 253, 299, 345, 429, 473, 559, 645, 715, 759, 897, 989, 1265, 1419, 1495, 1677, 2145, 2365, 2795, 2967, 3289, 3795, 4485, 4945, 6149, 7095, 8385, 9867, 10879, 12857, 14835, 16445, 18447, 30745, 32637, 38571, 49335, 54395, 64285, 92235, 141427, 163185, 192855, 424281, 707135, 2121405]

約数ペア:

[(1, 2121405), (3, 707135), (5, 424281), (11, 192855), (13, 163185), (15, 141427), (23, 92235), (33, 64285), (39, 54395), (43, 49335), (55, 38571), (65, 32637), (69, 30745), (115, 18447), (129, 16445), (143, 14835), (165, 12857), (195, 10879), (215, 9867), (253, 8385), (299, 7095), (345, 6149), (429, 4945), (473, 4485), (559, 3795), (645, 3289), (715, 2967), (759, 2795), (897, 2365), (989, 2145), (1265, 1677), (1419, 1495)]