31100223

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:196

約数の個数: 64

約数和(自身を含む): 55148544

約数和(自身を除く): 24048321

約数列:

[1, 3, 7, 11, 21, 31, 33, 43, 77, 93, 101, 129, 217, 231, 301, 303, 341, 473, 651, 707, 903, 1023, 1111, 1333, 1419, 2121, 2387, 3131, 3311, 3333, 3999, 4343, 7161, 7777, 9331, 9393, 9933, 13029, 14663, 21917, 23331, 27993, 30401, 34441, 43989, 47773, 65751, 91203, 102641, 103323, 134633, 143319, 241087, 307923, 334411, 403899, 723261, 942431, 1003233, 1480963, 2827293, 4442889, 10366741, 31100223]

約数ペア:

[(1, 31100223), (3, 10366741), (7, 4442889), (11, 2827293), (21, 1480963), (31, 1003233), (33, 942431), (43, 723261), (77, 403899), (93, 334411), (101, 307923), (129, 241087), (217, 143319), (231, 134633), (301, 103323), (303, 102641), (341, 91203), (473, 65751), (651, 47773), (707, 43989), (903, 34441), (1023, 30401), (1111, 27993), (1333, 23331), (1419, 21917), (2121, 14663), (2387, 13029), (3131, 9933), (3311, 9393), (3333, 9331), (3999, 7777), (4343, 7161)]