26987415

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1163}}^1$

素因数の和:1208

約数の個数: 64

約数和(自身を含む): 56318976

約数和(自身を除く): 29331561

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 35, 39, 51, 65, 85, 91, 105, 119, 195, 221, 255, 273, 357, 455, 595, 663, 1105, 1163, 1365, 1547, 1785, 3315, 3489, 4641, 5815, 7735, 8141, 15119, 17445, 19771, 23205, 24423, 40705, 45357, 59313, 75595, 98855, 105833, 122115, 138397, 226785, 257023, 296565, 317499, 415191, 529165, 691985, 771069, 1285115, 1587495, 1799161, 2075955, 3855345, 5397483, 8995805, 26987415]

約数ペア:

[(1, 26987415), (3, 8995805), (5, 5397483), (7, 3855345), (13, 2075955), (15, 1799161), (17, 1587495), (21, 1285115), (35, 771069), (39, 691985), (51, 529165), (65, 415191), (85, 317499), (91, 296565), (105, 257023), (119, 226785), (195, 138397), (221, 122115), (255, 105833), (273, 98855), (357, 75595), (455, 59313), (595, 45357), (663, 40705), (1105, 24423), (1163, 23205), (1365, 19771), (1547, 17445), (1785, 15119), (3315, 8141), (3489, 7735), (4641, 5815)]