218998755

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{281}}^1$

素因数の和:569

約数の個数: 64

約数和(自身を含む): 409328640

約数和(自身を除く): 190329885

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 251, 281, 345, 621, 753, 843, 1035, 1255, 1405, 2259, 2529, 3105, 3765, 4215, 5773, 6463, 6777, 7587, 11295, 12645, 17319, 19389, 28865, 32315, 33885, 37935, 51957, 58167, 70531, 86595, 96945, 155871, 174501, 211593, 259785, 290835, 352655, 634779, 779355, 872505, 1057965, 1622213, 1904337, 3173895, 4866639, 8111065, 9521685, 14599917, 24333195, 43799751, 72999585, 218998755]

約数ペア:

[(1, 218998755), (3, 72999585), (5, 43799751), (9, 24333195), (15, 14599917), (23, 9521685), (27, 8111065), (45, 4866639), (69, 3173895), (115, 1904337), (135, 1622213), (207, 1057965), (251, 872505), (281, 779355), (345, 634779), (621, 352655), (753, 290835), (843, 259785), (1035, 211593), (1255, 174501), (1405, 155871), (2259, 96945), (2529, 86595), (3105, 70531), (3765, 58167), (4215, 51957), (5773, 37935), (6463, 33885), (6777, 32315), (7587, 28865), (11295, 19389), (12645, 17319)]