68506305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1493}}^1$

素因数の和:1550

約数の個数: 64

約数和(自身を含む): 137687040

約数和(自身を除く): 69180735

約数列:

[1, 3, 5, 7, 15, 19, 21, 23, 35, 57, 69, 95, 105, 115, 133, 161, 285, 345, 399, 437, 483, 665, 805, 1311, 1493, 1995, 2185, 2415, 3059, 4479, 6555, 7465, 9177, 10451, 15295, 22395, 28367, 31353, 34339, 45885, 52255, 85101, 103017, 141835, 156765, 171695, 198569, 240373, 425505, 515085, 595707, 652441, 721119, 992845, 1201865, 1957323, 2978535, 3262205, 3605595, 4567087, 9786615, 13701261, 22835435, 68506305]

約数ペア:

[(1, 68506305), (3, 22835435), (5, 13701261), (7, 9786615), (15, 4567087), (19, 3605595), (21, 3262205), (23, 2978535), (35, 1957323), (57, 1201865), (69, 992845), (95, 721119), (105, 652441), (115, 595707), (133, 515085), (161, 425505), (285, 240373), (345, 198569), (399, 171695), (437, 156765), (483, 141835), (665, 103017), (805, 85101), (1311, 52255), (1493, 45885), (1995, 34339), (2185, 31353), (2415, 28367), (3059, 22395), (4479, 15295), (6555, 10451), (7465, 9177)]