1331967

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:88

約数の個数: 48

約数和(自身を含む): 2413152

約数和(自身を除く): 1081185

約数列:

[1, 3, 7, 13, 17, 21, 39, 41, 49, 51, 91, 119, 123, 147, 221, 273, 287, 357, 533, 637, 663, 697, 833, 861, 1547, 1599, 1911, 2009, 2091, 2499, 3731, 4641, 4879, 6027, 9061, 10829, 11193, 14637, 26117, 27183, 32487, 34153, 63427, 78351, 102459, 190281, 443989, 1331967]

約数ペア:

[(1, 1331967), (3, 443989), (7, 190281), (13, 102459), (17, 78351), (21, 63427), (39, 34153), (41, 32487), (49, 27183), (51, 26117), (91, 14637), (119, 11193), (123, 10829), (147, 9061), (221, 6027), (273, 4879), (287, 4641), (357, 3731), (533, 2499), (637, 2091), (663, 2009), (697, 1911), (833, 1599), (861, 1547)]