131862978

素因数分解:

$2^1\times 3^8\times {\mathrm{13}}^1\times {\mathrm{773}}^1$

素因数の和:812

約数の個数: 72

約数和(自身を含む): 319911228

約数和(自身を除く): 188048250

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 243, 351, 486, 702, 729, 773, 1053, 1458, 1546, 2106, 2187, 2319, 3159, 4374, 4638, 6318, 6561, 6957, 9477, 10049, 13122, 13914, 18954, 20098, 20871, 28431, 30147, 41742, 56862, 60294, 62613, 85293, 90441, 125226, 170586, 180882, 187839, 271323, 375678, 542646, 563517, 813969, 1127034, 1627938, 1690551, 2441907, 3381102, 4883814, 5071653, 7325721, 10143306, 14651442, 21977163, 43954326, 65931489, 131862978]

約数ペア:

[(1, 131862978), (2, 65931489), (3, 43954326), (6, 21977163), (9, 14651442), (13, 10143306), (18, 7325721), (26, 5071653), (27, 4883814), (39, 3381102), (54, 2441907), (78, 1690551), (81, 1627938), (117, 1127034), (162, 813969), (234, 563517), (243, 542646), (351, 375678), (486, 271323), (702, 187839), (729, 180882), (773, 170586), (1053, 125226), (1458, 90441), (1546, 85293), (2106, 62613), (2187, 60294), (2319, 56862), (3159, 41742), (4374, 30147), (4638, 28431), (6318, 20871), (6561, 20098), (6957, 18954), (9477, 13914), (10049, 13122)]