218911152015

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{853}}^1\times {\mathrm{20441}}^1$

素因数の和:21342

約数の個数: 80

約数和(自身を含む): 405571896576

約数和(自身を除く): 186660744561

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 279, 405, 465, 837, 853, 1395, 2511, 2559, 4185, 4265, 7677, 12555, 12795, 20441, 23031, 26443, 38385, 61323, 69093, 79329, 102205, 115155, 132215, 183969, 237987, 306615, 345465, 396645, 551907, 633671, 713961, 919845, 1189935, 1655721, 1901013, 2141883, 2759535, 3168355, 3569805, 5703039, 8278605, 9505065, 10709415, 17109117, 17436173, 28515195, 51327351, 52308519, 85545585, 87180865, 156925557, 256636755, 261542595, 470776671, 540521363, 784627785, 1412330013, 1621564089, 2353883355, 2702606815, 4864692267, 7061650065, 8107820445, 14594076801, 24323461335, 43782230403, 72970384005, 218911152015]

約数ペア:

[(1, 218911152015), (3, 72970384005), (5, 43782230403), (9, 24323461335), (15, 14594076801), (27, 8107820445), (31, 7061650065), (45, 4864692267), (81, 2702606815), (93, 2353883355), (135, 1621564089), (155, 1412330013), (279, 784627785), (405, 540521363), (465, 470776671), (837, 261542595), (853, 256636755), (1395, 156925557), (2511, 87180865), (2559, 85545585), (4185, 52308519), (4265, 51327351), (7677, 28515195), (12555, 17436173), (12795, 17109117), (20441, 10709415), (23031, 9505065), (26443, 8278605), (38385, 5703039), (61323, 3569805), (69093, 3168355), (79329, 2759535), (102205, 2141883), (115155, 1901013), (132215, 1655721), (183969, 1189935), (237987, 919845), (306615, 713961), (345465, 633671), (396645, 551907)]