68604975

素因数分解:

$3^5\times 5^2\times {\mathrm{23}}^1\times {\mathrm{491}}^1$

素因数の和:539

約数の個数: 72

約数和(自身を含む): 133241472

約数和(自身を除く): 64636497

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 81, 115, 135, 207, 225, 243, 345, 405, 491, 575, 621, 675, 1035, 1215, 1473, 1725, 1863, 2025, 2455, 3105, 4419, 5175, 5589, 6075, 7365, 9315, 11293, 12275, 13257, 15525, 22095, 27945, 33879, 36825, 39771, 46575, 56465, 66285, 101637, 110475, 119313, 139725, 169395, 198855, 282325, 304911, 331425, 508185, 596565, 846975, 914733, 994275, 1524555, 2540925, 2744199, 2982825, 4573665, 7622775, 13720995, 22868325, 68604975]

約数ペア:

[(1, 68604975), (3, 22868325), (5, 13720995), (9, 7622775), (15, 4573665), (23, 2982825), (25, 2744199), (27, 2540925), (45, 1524555), (69, 994275), (75, 914733), (81, 846975), (115, 596565), (135, 508185), (207, 331425), (225, 304911), (243, 282325), (345, 198855), (405, 169395), (491, 139725), (575, 119313), (621, 110475), (675, 101637), (1035, 66285), (1215, 56465), (1473, 46575), (1725, 39771), (1863, 36825), (2025, 33879), (2455, 27945), (3105, 22095), (4419, 15525), (5175, 13257), (5589, 12275), (6075, 11293), (7365, 9315)]