71020305

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 134863872

約数和(自身を除く): 63843567

約数列:

[1, 3, 5, 9, 15, 17, 43, 45, 51, 85, 127, 129, 153, 215, 255, 289, 381, 387, 635, 645, 731, 765, 867, 1143, 1445, 1905, 1935, 2159, 2193, 2601, 3655, 4335, 5461, 5715, 6477, 6579, 10795, 10965, 12427, 13005, 16383, 19431, 27305, 32385, 32895, 36703, 37281, 49149, 62135, 81915, 92837, 97155, 110109, 111843, 183515, 186405, 245745, 278511, 330327, 464185, 550545, 559215, 835533, 1392555, 1578229, 1651635, 4177665, 4734687, 7891145, 14204061, 23673435, 71020305]

約数ペア:

[(1, 71020305), (3, 23673435), (5, 14204061), (9, 7891145), (15, 4734687), (17, 4177665), (43, 1651635), (45, 1578229), (51, 1392555), (85, 835533), (127, 559215), (129, 550545), (153, 464185), (215, 330327), (255, 278511), (289, 245745), (381, 186405), (387, 183515), (635, 111843), (645, 110109), (731, 97155), (765, 92837), (867, 81915), (1143, 62135), (1445, 49149), (1905, 37281), (1935, 36703), (2159, 32895), (2193, 32385), (2601, 27305), (3655, 19431), (4335, 16383), (5461, 13005), (5715, 12427), (6477, 10965), (6579, 10795)]