28936125

素因数分解:

$3^2\times 5^3\times {\mathrm{17}}^2\times {\mathrm{89}}^1$

素因数の和:144

約数の個数: 72

約数和(自身を含む): 56033640

約数和(自身を除く): 27097515

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 89, 125, 153, 225, 255, 267, 289, 375, 425, 445, 765, 801, 867, 1125, 1275, 1335, 1445, 1513, 2125, 2225, 2601, 3825, 4005, 4335, 4539, 6375, 6675, 7225, 7565, 11125, 13005, 13617, 19125, 20025, 21675, 22695, 25721, 33375, 36125, 37825, 65025, 68085, 77163, 100125, 108375, 113475, 128605, 189125, 231489, 325125, 340425, 385815, 567375, 643025, 1157445, 1702125, 1929075, 3215125, 5787225, 9645375, 28936125]

約数ペア:

[(1, 28936125), (3, 9645375), (5, 5787225), (9, 3215125), (15, 1929075), (17, 1702125), (25, 1157445), (45, 643025), (51, 567375), (75, 385815), (85, 340425), (89, 325125), (125, 231489), (153, 189125), (225, 128605), (255, 113475), (267, 108375), (289, 100125), (375, 77163), (425, 68085), (445, 65025), (765, 37825), (801, 36125), (867, 33375), (1125, 25721), (1275, 22695), (1335, 21675), (1445, 20025), (1513, 19125), (2125, 13617), (2225, 13005), (2601, 11125), (3825, 7565), (4005, 7225), (4335, 6675), (4539, 6375)]