63401975

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 103430880

約数和(自身を除く): 40028905

約数列:

[1, 5, 7, 13, 25, 29, 31, 35, 65, 91, 145, 155, 175, 203, 217, 325, 377, 403, 455, 725, 775, 899, 961, 1015, 1085, 1885, 2015, 2275, 2639, 2821, 4495, 4805, 5075, 5425, 6293, 6727, 9425, 10075, 11687, 12493, 13195, 14105, 22475, 24025, 27869, 31465, 33635, 58435, 62465, 65975, 70525, 81809, 87451, 139345, 157325, 168175, 195083, 292175, 312325, 362297, 409045, 437255, 696725, 975415, 1811485, 2045225, 2186275, 2536079, 4877075, 9057425, 12680395, 63401975]

約数ペア:

[(1, 63401975), (5, 12680395), (7, 9057425), (13, 4877075), (25, 2536079), (29, 2186275), (31, 2045225), (35, 1811485), (65, 975415), (91, 696725), (145, 437255), (155, 409045), (175, 362297), (203, 312325), (217, 292175), (325, 195083), (377, 168175), (403, 157325), (455, 139345), (725, 87451), (775, 81809), (899, 70525), (961, 65975), (1015, 62465), (1085, 58435), (1885, 33635), (2015, 31465), (2275, 27869), (2639, 24025), (2821, 22475), (4495, 14105), (4805, 13195), (5075, 12493), (5425, 11687), (6293, 10075), (6727, 9425)]