51185115

素因数分解:

$3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2689}}^1$

素因数の和:2753

約数の個数: 40

約数和(自身を含む): 93741120

約数和(自身を除く): 42556005

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 81, 135, 141, 235, 405, 423, 705, 1269, 2115, 2689, 3807, 6345, 8067, 13445, 19035, 24201, 40335, 72603, 121005, 126383, 217809, 363015, 379149, 631915, 1089045, 1137447, 1895745, 3412341, 5687235, 10237023, 17061705, 51185115]

約数ペア:

[(1, 51185115), (3, 17061705), (5, 10237023), (9, 5687235), (15, 3412341), (27, 1895745), (45, 1137447), (47, 1089045), (81, 631915), (135, 379149), (141, 363015), (235, 217809), (405, 126383), (423, 121005), (705, 72603), (1269, 40335), (2115, 24201), (2689, 19035), (3807, 13445), (6345, 8067)]