28723515

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{277}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 47824896

約数和(自身を除く): 19101381

約数列:

[1, 3, 5, 15, 31, 93, 155, 223, 277, 465, 669, 831, 1115, 1385, 3345, 4155, 6913, 8587, 20739, 25761, 34565, 42935, 61771, 103695, 128805, 185313, 308855, 926565, 1914901, 5744703, 9574505, 28723515]

約数ペア:

[(1, 28723515), (3, 9574505), (5, 5744703), (15, 1914901), (31, 926565), (93, 308855), (155, 185313), (223, 128805), (277, 103695), (465, 61771), (669, 42935), (831, 34565), (1115, 25761), (1385, 20739), (3345, 8587), (4155, 6913)]