291213465

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1\times {\mathrm{1277}}^1$

素因数の和:1969

約数の個数: 32

約数和(自身を含む): 487316736

約数和(自身を除く): 196103271

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 661, 1277, 1983, 3305, 3831, 6385, 9915, 15203, 19155, 29371, 45609, 76015, 88113, 146855, 228045, 440565, 844097, 2532291, 4220485, 12661455, 19414231, 58242693, 97071155, 291213465]

約数ペア:

[(1, 291213465), (3, 97071155), (5, 58242693), (15, 19414231), (23, 12661455), (69, 4220485), (115, 2532291), (345, 844097), (661, 440565), (1277, 228045), (1983, 146855), (3305, 88113), (3831, 76015), (6385, 45609), (9915, 29371), (15203, 19155)]