28975455

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3023}}^1$

素因数の和:3108

約数の個数: 32

約数和(自身を含む): 52254720

約数和(自身を除く): 23279265

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 135, 213, 355, 639, 1065, 1917, 3023, 3195, 9069, 9585, 15115, 27207, 45345, 81621, 136035, 214633, 408105, 643899, 1073165, 1931697, 3219495, 5795091, 9658485, 28975455]

約数ペア:

[(1, 28975455), (3, 9658485), (5, 5795091), (9, 3219495), (15, 1931697), (27, 1073165), (45, 643899), (71, 408105), (135, 214633), (213, 136035), (355, 81621), (639, 45345), (1065, 27207), (1917, 15115), (3023, 9585), (3195, 9069)]