76857255

素因数分解:

$3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^2$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 148717296

約数和(自身を除く): 71860041

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 61, 81, 85, 135, 153, 183, 243, 255, 305, 405, 459, 549, 765, 915, 1037, 1215, 1377, 1647, 2295, 2745, 3111, 3721, 4131, 4941, 5185, 6885, 8235, 9333, 11163, 14823, 15555, 18605, 20655, 24705, 27999, 33489, 46665, 55815, 63257, 74115, 83997, 100467, 139995, 167445, 189771, 251991, 301401, 316285, 419985, 502335, 569313, 904203, 948855, 1259955, 1507005, 1707939, 2846565, 4521015, 5123817, 8539695, 15371451, 25619085, 76857255]

約数ペア:

[(1, 76857255), (3, 25619085), (5, 15371451), (9, 8539695), (15, 5123817), (17, 4521015), (27, 2846565), (45, 1707939), (51, 1507005), (61, 1259955), (81, 948855), (85, 904203), (135, 569313), (153, 502335), (183, 419985), (243, 316285), (255, 301401), (305, 251991), (405, 189771), (459, 167445), (549, 139995), (765, 100467), (915, 83997), (1037, 74115), (1215, 63257), (1377, 55815), (1647, 46665), (2295, 33489), (2745, 27999), (3111, 24705), (3721, 20655), (4131, 18605), (4941, 15555), (5185, 14823), (6885, 11163), (8235, 9333)]