31139325

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1163}}^1$

素因数の和:1203

約数の個数: 72

約数和(自身を含む): 67549248

約数和(自身を除く): 36409923

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 25, 35, 45, 51, 63, 75, 85, 105, 119, 153, 175, 225, 255, 315, 357, 425, 525, 595, 765, 1071, 1163, 1275, 1575, 1785, 2975, 3489, 3825, 5355, 5815, 8141, 8925, 10467, 17445, 19771, 24423, 26775, 29075, 40705, 52335, 59313, 73269, 87225, 98855, 122115, 138397, 177939, 203525, 261675, 296565, 366345, 415191, 494275, 610575, 691985, 889695, 1245573, 1482825, 1831725, 2075955, 3459925, 4448475, 6227865, 10379775, 31139325]

約数ペア:

[(1, 31139325), (3, 10379775), (5, 6227865), (7, 4448475), (9, 3459925), (15, 2075955), (17, 1831725), (21, 1482825), (25, 1245573), (35, 889695), (45, 691985), (51, 610575), (63, 494275), (75, 415191), (85, 366345), (105, 296565), (119, 261675), (153, 203525), (175, 177939), (225, 138397), (255, 122115), (315, 98855), (357, 87225), (425, 73269), (525, 59313), (595, 52335), (765, 40705), (1071, 29075), (1163, 26775), (1275, 24423), (1575, 19771), (1785, 17445), (2975, 10467), (3489, 8925), (3825, 8141), (5355, 5815)]