18421567155

素因数分解:

$3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{433}}^1\times {\mathrm{1439}}^1$

素因数の和:1962

約数の個数: 80

約数和(自身を含む): 33575351040

約数和(自身を除く): 15153783885

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 81, 135, 219, 365, 405, 433, 657, 1095, 1299, 1439, 1971, 2165, 3285, 3897, 4317, 5913, 6495, 7195, 9855, 11691, 12951, 19485, 21585, 29565, 31609, 35073, 38853, 58455, 64755, 94827, 105047, 116559, 158045, 175365, 194265, 284481, 315141, 474135, 525235, 582795, 623087, 853443, 945423, 1422405, 1575705, 1869261, 2560329, 2836269, 3115435, 4267215, 4727115, 5607783, 8508807, 9346305, 12801645, 14181345, 16823349, 28038915, 42544035, 45485351, 50470047, 84116745, 136456053, 227426755, 252350235, 409368159, 682280265, 1228104477, 2046840795, 3684313431, 6140522385, 18421567155]

約数ペア:

[(1, 18421567155), (3, 6140522385), (5, 3684313431), (9, 2046840795), (15, 1228104477), (27, 682280265), (45, 409368159), (73, 252350235), (81, 227426755), (135, 136456053), (219, 84116745), (365, 50470047), (405, 45485351), (433, 42544035), (657, 28038915), (1095, 16823349), (1299, 14181345), (1439, 12801645), (1971, 9346305), (2165, 8508807), (3285, 5607783), (3897, 4727115), (4317, 4267215), (5913, 3115435), (6495, 2836269), (7195, 2560329), (9855, 1869261), (11691, 1575705), (12951, 1422405), (19485, 945423), (21585, 853443), (29565, 623087), (31609, 582795), (35073, 525235), (38853, 474135), (58455, 315141), (64755, 284481), (94827, 194265), (105047, 175365), (116559, 158045)]