1891569285

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{11321}}^1$

素因数の和:11458

約数の個数: 48

約数和(自身を含む): 3391165440

約数和(自身を除く): 1499596155

約数列:

[1, 3, 5, 9, 15, 45, 47, 79, 141, 235, 237, 395, 423, 705, 711, 1185, 2115, 3555, 3713, 11139, 11321, 18565, 33417, 33963, 55695, 56605, 101889, 167085, 169815, 509445, 532087, 894359, 1596261, 2660435, 2683077, 4471795, 4788783, 7981305, 8049231, 13415385, 23943915, 40246155, 42034873, 126104619, 210174365, 378313857, 630523095, 1891569285]

約数ペア:

[(1, 1891569285), (3, 630523095), (5, 378313857), (9, 210174365), (15, 126104619), (45, 42034873), (47, 40246155), (79, 23943915), (141, 13415385), (235, 8049231), (237, 7981305), (395, 4788783), (423, 4471795), (705, 2683077), (711, 2660435), (1185, 1596261), (2115, 894359), (3555, 532087), (3713, 509445), (11139, 169815), (11321, 167085), (18565, 101889), (33417, 56605), (33963, 55695)]