9991665

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 18886608

約数和(自身を除く): 8894943

約数列:

[1, 3, 5, 9, 15, 17, 37, 45, 51, 85, 111, 153, 185, 255, 333, 353, 555, 629, 765, 1059, 1665, 1765, 1887, 3145, 3177, 5295, 5661, 6001, 9435, 13061, 15885, 18003, 28305, 30005, 39183, 54009, 65305, 90015, 117549, 195915, 222037, 270045, 587745, 666111, 1110185, 1998333, 3330555, 9991665]

約数ペア:

[(1, 9991665), (3, 3330555), (5, 1998333), (9, 1110185), (15, 666111), (17, 587745), (37, 270045), (45, 222037), (51, 195915), (85, 117549), (111, 90015), (153, 65305), (185, 54009), (255, 39183), (333, 30005), (353, 28305), (555, 18003), (629, 15885), (765, 13061), (1059, 9435), (1665, 6001), (1765, 5661), (1887, 5295), (3145, 3177)]