28907730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{8681}}^1$

素因数の和:8731

約数の個数: 48

約数和(自身を含む): 77200344

約数和(自身を除く): 48292614

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 74, 90, 111, 185, 222, 333, 370, 555, 666, 1110, 1665, 3330, 8681, 17362, 26043, 43405, 52086, 78129, 86810, 130215, 156258, 260430, 321197, 390645, 642394, 781290, 963591, 1605985, 1927182, 2890773, 3211970, 4817955, 5781546, 9635910, 14453865, 28907730]

約数ペア:

[(1, 28907730), (2, 14453865), (3, 9635910), (5, 5781546), (6, 4817955), (9, 3211970), (10, 2890773), (15, 1927182), (18, 1605985), (30, 963591), (37, 781290), (45, 642394), (74, 390645), (90, 321197), (111, 260430), (185, 156258), (222, 130215), (333, 86810), (370, 78129), (555, 52086), (666, 43405), (1110, 26043), (1665, 17362), (3330, 8681)]