214871805

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{509}}^1$

素因数の和:635

約数の個数: 64

約数和(自身を含む): 396576000

約数和(自身を除く): 181704195

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 59, 135, 159, 177, 265, 295, 477, 509, 531, 795, 885, 1431, 1527, 1593, 2385, 2545, 2655, 3127, 4581, 7155, 7635, 7965, 9381, 13743, 15635, 22905, 26977, 28143, 30031, 46905, 68715, 80931, 84429, 90093, 134885, 140715, 150155, 242793, 270279, 404655, 422145, 450465, 728379, 810837, 1213965, 1351395, 1591643, 3641895, 4054185, 4774929, 7958215, 14324787, 23874645, 42974361, 71623935, 214871805]

約数ペア:

[(1, 214871805), (3, 71623935), (5, 42974361), (9, 23874645), (15, 14324787), (27, 7958215), (45, 4774929), (53, 4054185), (59, 3641895), (135, 1591643), (159, 1351395), (177, 1213965), (265, 810837), (295, 728379), (477, 450465), (509, 422145), (531, 404655), (795, 270279), (885, 242793), (1431, 150155), (1527, 140715), (1593, 134885), (2385, 90093), (2545, 84429), (2655, 80931), (3127, 68715), (4581, 46905), (7155, 30031), (7635, 28143), (7965, 26977), (9381, 22905), (13743, 15635)]