1820160963

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{2671}}^1$

素因数の和:2909

約数の個数: 40

約数和(自身を含む): 2793415680

約数和(自身を除く): 973254717

約数列:

[1, 3, 9, 27, 47, 81, 141, 179, 423, 537, 1269, 1611, 2671, 3807, 4833, 8013, 8413, 14499, 24039, 25239, 72117, 75717, 125537, 216351, 227151, 376611, 478109, 681453, 1129833, 1434327, 3389499, 4302981, 10168497, 12908943, 22471123, 38726829, 67413369, 202240107, 606720321, 1820160963]

約数ペア:

[(1, 1820160963), (3, 606720321), (9, 202240107), (27, 67413369), (47, 38726829), (81, 22471123), (141, 12908943), (179, 10168497), (423, 4302981), (537, 3389499), (1269, 1434327), (1611, 1129833), (2671, 681453), (3807, 478109), (4833, 376611), (8013, 227151), (8413, 216351), (14499, 125537), (24039, 75717), (25239, 72117)]