15493221

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 24307200

約数和(自身を除く): 8813979

約数列:

[1, 3, 9, 27, 29, 47, 87, 141, 261, 421, 423, 783, 1263, 1269, 1363, 3789, 4089, 11367, 12209, 12267, 19787, 36627, 36801, 59361, 109881, 178083, 329643, 534249, 573823, 1721469, 5164407, 15493221]

約数ペア:

[(1, 15493221), (3, 5164407), (9, 1721469), (27, 573823), (29, 534249), (47, 329643), (87, 178083), (141, 109881), (261, 59361), (421, 36801), (423, 36627), (783, 19787), (1263, 12267), (1269, 12209), (1363, 11367), (3789, 4089)]