338361855

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2039}}^1$

素因数の和:2120

約数の個数: 64

約数和(自身を含む): 625121280

約数和(自身を除く): 286759425

約数列:

[1, 3, 5, 13, 15, 23, 37, 39, 65, 69, 111, 115, 185, 195, 299, 345, 481, 555, 851, 897, 1443, 1495, 2039, 2405, 2553, 4255, 4485, 6117, 7215, 10195, 11063, 12765, 26507, 30585, 33189, 46897, 55315, 75443, 79521, 132535, 140691, 165945, 226329, 234485, 377215, 397605, 609661, 703455, 980759, 1131645, 1735189, 1828983, 2942277, 3048305, 4903795, 5205567, 8675945, 9144915, 14711385, 22557457, 26027835, 67672371, 112787285, 338361855]

約数ペア:

[(1, 338361855), (3, 112787285), (5, 67672371), (13, 26027835), (15, 22557457), (23, 14711385), (37, 9144915), (39, 8675945), (65, 5205567), (69, 4903795), (111, 3048305), (115, 2942277), (185, 1828983), (195, 1735189), (299, 1131645), (345, 980759), (481, 703455), (555, 609661), (851, 397605), (897, 377215), (1443, 234485), (1495, 226329), (2039, 165945), (2405, 140691), (2553, 132535), (4255, 79521), (4485, 75443), (6117, 55315), (7215, 46897), (10195, 33189), (11063, 30585), (12765, 26507)]