28527615

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{419}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 53071200

約数和(自身を除く): 24543585

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 89, 153, 255, 267, 419, 445, 765, 801, 1257, 1335, 1513, 2095, 3771, 4005, 4539, 6285, 7123, 7565, 13617, 18855, 21369, 22695, 35615, 37291, 64107, 68085, 106845, 111873, 186455, 320535, 335619, 559365, 633947, 1678095, 1901841, 3169735, 5705523, 9509205, 28527615]

約数ペア:

[(1, 28527615), (3, 9509205), (5, 5705523), (9, 3169735), (15, 1901841), (17, 1678095), (45, 633947), (51, 559365), (85, 335619), (89, 320535), (153, 186455), (255, 111873), (267, 106845), (419, 68085), (445, 64107), (765, 37291), (801, 35615), (1257, 22695), (1335, 21369), (1513, 18855), (2095, 13617), (3771, 7565), (4005, 7123), (4539, 6285)]