72269757

素因数分解:

$3^2\times 7^3\times {\mathrm{41}}^1\times {\mathrm{571}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 124924800

約数和(自身を除く): 52655043

約数列:

[1, 3, 7, 9, 21, 41, 49, 63, 123, 147, 287, 343, 369, 441, 571, 861, 1029, 1713, 2009, 2583, 3087, 3997, 5139, 6027, 11991, 14063, 18081, 23411, 27979, 35973, 42189, 70233, 83937, 126567, 163877, 195853, 210699, 251811, 491631, 587559, 1147139, 1474893, 1762677, 3441417, 8029973, 10324251, 24089919, 72269757]

約数ペア:

[(1, 72269757), (3, 24089919), (7, 10324251), (9, 8029973), (21, 3441417), (41, 1762677), (49, 1474893), (63, 1147139), (123, 587559), (147, 491631), (287, 251811), (343, 210699), (369, 195853), (441, 163877), (571, 126567), (861, 83937), (1029, 70233), (1713, 42189), (2009, 35973), (2583, 27979), (3087, 23411), (3997, 18081), (5139, 14063), (6027, 11991)]