201720255

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{349}}^1$

素因数の和:512

約数の個数: 64

約数和(自身を含む): 367718400

約数和(自身を除く): 165998145

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 93, 113, 155, 165, 339, 341, 349, 465, 565, 1023, 1047, 1243, 1695, 1705, 1745, 3503, 3729, 3839, 5115, 5235, 6215, 10509, 10819, 11517, 17515, 18645, 19195, 32457, 38533, 39437, 52545, 54095, 57585, 115599, 118311, 119009, 162285, 192665, 197185, 357027, 433807, 577995, 591555, 595045, 1222547, 1301421, 1785135, 2169035, 3667641, 6112735, 6507105, 13448017, 18338205, 40344051, 67240085, 201720255]

約数ペア:

[(1, 201720255), (3, 67240085), (5, 40344051), (11, 18338205), (15, 13448017), (31, 6507105), (33, 6112735), (55, 3667641), (93, 2169035), (113, 1785135), (155, 1301421), (165, 1222547), (339, 595045), (341, 591555), (349, 577995), (465, 433807), (565, 357027), (1023, 197185), (1047, 192665), (1243, 162285), (1695, 119009), (1705, 118311), (1745, 115599), (3503, 57585), (3729, 54095), (3839, 52545), (5115, 39437), (5235, 38533), (6215, 32457), (10509, 19195), (10819, 18645), (11517, 17515)]