291979917

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:615

約数の個数: 64

約数和(自身を含む): 482918400

約数和(自身を除く): 190938483

約数列:

[1, 3, 9, 23, 27, 29, 31, 69, 87, 93, 207, 261, 279, 523, 621, 667, 713, 783, 837, 899, 1569, 2001, 2139, 2697, 4707, 6003, 6417, 8091, 12029, 14121, 15167, 16213, 18009, 19251, 20677, 24273, 36087, 45501, 48639, 62031, 108261, 136503, 145917, 186093, 324783, 348841, 372899, 409509, 437751, 470177, 558279, 1046523, 1118697, 1410531, 3139569, 3356091, 4231593, 9418707, 10068273, 10814071, 12694779, 32442213, 97326639, 291979917]

約数ペア:

[(1, 291979917), (3, 97326639), (9, 32442213), (23, 12694779), (27, 10814071), (29, 10068273), (31, 9418707), (69, 4231593), (87, 3356091), (93, 3139569), (207, 1410531), (261, 1118697), (279, 1046523), (523, 558279), (621, 470177), (667, 437751), (713, 409509), (783, 372899), (837, 348841), (899, 324783), (1569, 186093), (2001, 145917), (2139, 136503), (2697, 108261), (4707, 62031), (6003, 48639), (6417, 45501), (8091, 36087), (12029, 24273), (14121, 20677), (15167, 19251), (16213, 18009)]