7220745

素因数分解:

$3^6\times 5^1\times 7^1\times {\mathrm{283}}^1$

素因数の和:313

約数の個数: 56

約数和(自身を含む): 14899776

約数和(自身を除く): 7679031

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 283, 315, 405, 567, 729, 849, 945, 1215, 1415, 1701, 1981, 2547, 2835, 3645, 4245, 5103, 5943, 7641, 8505, 9905, 12735, 17829, 22923, 25515, 29715, 38205, 53487, 68769, 89145, 114615, 160461, 206307, 267435, 343845, 481383, 802305, 1031535, 1444149, 2406915, 7220745]

約数ペア:

[(1, 7220745), (3, 2406915), (5, 1444149), (7, 1031535), (9, 802305), (15, 481383), (21, 343845), (27, 267435), (35, 206307), (45, 160461), (63, 114615), (81, 89145), (105, 68769), (135, 53487), (189, 38205), (243, 29715), (283, 25515), (315, 22923), (405, 17829), (567, 12735), (729, 9905), (849, 8505), (945, 7641), (1215, 5943), (1415, 5103), (1701, 4245), (1981, 3645), (2547, 2835)]