51147045

素因数分解:

$3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2687}}^1$

素因数の和:2751

約数の個数: 40

約数和(自身を含む): 93671424

約数和(自身を除く): 42524379

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 81, 135, 141, 235, 405, 423, 705, 1269, 2115, 2687, 3807, 6345, 8061, 13435, 19035, 24183, 40305, 72549, 120915, 126289, 217647, 362745, 378867, 631445, 1088235, 1136601, 1894335, 3409803, 5683005, 10229409, 17049015, 51147045]

約数ペア:

[(1, 51147045), (3, 17049015), (5, 10229409), (9, 5683005), (15, 3409803), (27, 1894335), (45, 1136601), (47, 1088235), (81, 631445), (135, 378867), (141, 362745), (235, 217647), (405, 126289), (423, 120915), (705, 72549), (1269, 40305), (2115, 24183), (2687, 19035), (3807, 13435), (6345, 8061)]