31704201

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 51068160

約数和(自身を除く): 19363959

約数列:

[1, 3, 9, 17, 43, 51, 61, 79, 129, 153, 183, 237, 387, 549, 711, 731, 1037, 1343, 2193, 2623, 3111, 3397, 4029, 4819, 6579, 7869, 9333, 10191, 12087, 14457, 23607, 30573, 43371, 44591, 57749, 81923, 133773, 173247, 207217, 245769, 401319, 519741, 621651, 737307, 1864953, 3522689, 10568067, 31704201]

約数ペア:

[(1, 31704201), (3, 10568067), (9, 3522689), (17, 1864953), (43, 737307), (51, 621651), (61, 519741), (79, 401319), (129, 245769), (153, 207217), (183, 173247), (237, 133773), (387, 81923), (549, 57749), (711, 44591), (731, 43371), (1037, 30573), (1343, 23607), (2193, 14457), (2623, 12087), (3111, 10191), (3397, 9333), (4029, 7869), (4819, 6579)]