42074487

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 78427440

約数和(自身を除く): 36352953

約数列:

[1, 3, 7, 9, 13, 21, 39, 41, 49, 63, 91, 117, 123, 147, 179, 273, 287, 369, 441, 533, 537, 637, 819, 861, 1253, 1599, 1611, 1911, 2009, 2327, 2583, 3731, 3759, 4797, 5733, 6027, 6981, 7339, 8771, 11193, 11277, 16289, 18081, 20943, 22017, 26117, 26313, 33579, 48867, 51373, 66051, 78351, 78939, 95407, 114023, 146601, 154119, 235053, 286221, 342069, 359611, 462357, 667849, 858663, 1026207, 1078833, 2003547, 3236499, 4674943, 6010641, 14024829, 42074487]

約数ペア:

[(1, 42074487), (3, 14024829), (7, 6010641), (9, 4674943), (13, 3236499), (21, 2003547), (39, 1078833), (41, 1026207), (49, 858663), (63, 667849), (91, 462357), (117, 359611), (123, 342069), (147, 286221), (179, 235053), (273, 154119), (287, 146601), (369, 114023), (441, 95407), (533, 78939), (537, 78351), (637, 66051), (819, 51373), (861, 48867), (1253, 33579), (1599, 26313), (1611, 26117), (1911, 22017), (2009, 20943), (2327, 18081), (2583, 16289), (3731, 11277), (3759, 11193), (4797, 8771), (5733, 7339), (6027, 6981)]