217231113

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{503}}^1\times {\mathrm{569}}^1$

素因数の和:1109

約数の個数: 32

約数和(自身を含む): 330946560

約数和(自身を除く): 113715447

約数列:

[1, 3, 11, 23, 33, 69, 253, 503, 569, 759, 1509, 1707, 5533, 6259, 11569, 13087, 16599, 18777, 34707, 39261, 127259, 143957, 286207, 381777, 431871, 858621, 3148277, 6582761, 9444831, 19748283, 72410371, 217231113]

約数ペア:

[(1, 217231113), (3, 72410371), (11, 19748283), (23, 9444831), (33, 6582761), (69, 3148277), (253, 858621), (503, 431871), (569, 381777), (759, 286207), (1509, 143957), (1707, 127259), (5533, 39261), (6259, 34707), (11569, 18777), (13087, 16599)]