74780199

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 127411200

約数和(自身を除く): 52631001

約数列:

[1, 3, 9, 13, 23, 27, 39, 59, 69, 117, 157, 177, 207, 299, 351, 471, 531, 621, 767, 897, 1357, 1413, 1593, 2041, 2301, 2691, 3611, 4071, 4239, 6123, 6903, 8073, 9263, 10833, 12213, 17641, 18369, 20709, 27789, 32499, 36639, 46943, 52923, 55107, 83367, 97497, 120419, 140829, 158769, 213049, 250101, 361257, 422487, 476307, 639147, 1083771, 1267461, 1917441, 2769637, 3251313, 5752323, 8308911, 24926733, 74780199]

約数ペア:

[(1, 74780199), (3, 24926733), (9, 8308911), (13, 5752323), (23, 3251313), (27, 2769637), (39, 1917441), (59, 1267461), (69, 1083771), (117, 639147), (157, 476307), (177, 422487), (207, 361257), (299, 250101), (351, 213049), (471, 158769), (531, 140829), (621, 120419), (767, 97497), (897, 83367), (1357, 55107), (1413, 52923), (1593, 46943), (2041, 36639), (2301, 32499), (2691, 27789), (3611, 20709), (4071, 18369), (4239, 17641), (6123, 12213), (6903, 10833), (8073, 9263)]