208520691

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 315342720

約数和(自身を除く): 106822029

約数列:

[1, 3, 17, 23, 51, 59, 69, 131, 177, 391, 393, 529, 1003, 1173, 1357, 1587, 2227, 3009, 3013, 4071, 6681, 7729, 8993, 9039, 23069, 23187, 26979, 31211, 51221, 69207, 69299, 93633, 131393, 153663, 177767, 207897, 394179, 530587, 533301, 1178083, 1591761, 3022039, 3534249, 4088641, 9066117, 12265923, 69506897, 208520691]

約数ペア:

[(1, 208520691), (3, 69506897), (17, 12265923), (23, 9066117), (51, 4088641), (59, 3534249), (69, 3022039), (131, 1591761), (177, 1178083), (391, 533301), (393, 530587), (529, 394179), (1003, 207897), (1173, 177767), (1357, 153663), (1587, 131393), (2227, 93633), (3009, 69299), (3013, 69207), (4071, 51221), (6681, 31211), (7729, 26979), (8993, 23187), (9039, 23069)]