31689495

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:213

約数の個数: 64

約数和(自身を含む): 59304960

約数和(自身を除く): 27615465

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 53, 103, 129, 135, 159, 215, 265, 309, 387, 477, 515, 645, 795, 927, 1161, 1431, 1545, 1935, 2279, 2385, 2781, 4429, 4635, 5459, 5805, 6837, 7155, 11395, 13287, 13905, 16377, 20511, 22145, 27295, 34185, 39861, 49131, 61533, 66435, 81885, 102555, 119583, 147393, 199305, 234737, 245655, 307665, 597915, 704211, 736965, 1173685, 2112633, 3521055, 6337899, 10563165, 31689495]

約数ペア:

[(1, 31689495), (3, 10563165), (5, 6337899), (9, 3521055), (15, 2112633), (27, 1173685), (43, 736965), (45, 704211), (53, 597915), (103, 307665), (129, 245655), (135, 234737), (159, 199305), (215, 147393), (265, 119583), (309, 102555), (387, 81885), (477, 66435), (515, 61533), (645, 49131), (795, 39861), (927, 34185), (1161, 27295), (1431, 22145), (1545, 20511), (1935, 16377), (2279, 13905), (2385, 13287), (2781, 11395), (4429, 7155), (4635, 6837), (5459, 5805)]