31020675

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{367}}^1$

素因数の和:417

約数の個数: 72

約数和(自身を含む): 62424576

約数和(自身を除く): 31403901

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 49, 69, 75, 105, 115, 147, 161, 175, 245, 345, 367, 483, 525, 575, 735, 805, 1101, 1127, 1225, 1725, 1835, 2415, 2569, 3381, 3675, 4025, 5505, 5635, 7707, 8441, 9175, 12075, 12845, 16905, 17983, 25323, 27525, 28175, 38535, 42205, 53949, 59087, 64225, 84525, 89915, 126615, 177261, 192675, 211025, 269745, 295435, 413609, 449575, 633075, 886305, 1240827, 1348725, 1477175, 2068045, 4431525, 6204135, 10340225, 31020675]

約数ペア:

[(1, 31020675), (3, 10340225), (5, 6204135), (7, 4431525), (15, 2068045), (21, 1477175), (23, 1348725), (25, 1240827), (35, 886305), (49, 633075), (69, 449575), (75, 413609), (105, 295435), (115, 269745), (147, 211025), (161, 192675), (175, 177261), (245, 126615), (345, 89915), (367, 84525), (483, 64225), (525, 59087), (575, 53949), (735, 42205), (805, 38535), (1101, 28175), (1127, 27525), (1225, 25323), (1725, 17983), (1835, 16905), (2415, 12845), (2569, 12075), (3381, 9175), (3675, 8441), (4025, 7707), (5505, 5635)]