660821331

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 971603424

約数和(自身を除く): 310782093

約数列:

[1, 3, 17, 51, 53, 73, 159, 197, 219, 289, 591, 867, 901, 1241, 2703, 3349, 3723, 3869, 10047, 10441, 11607, 14381, 15317, 21097, 31323, 43143, 45951, 56933, 63291, 65773, 170799, 177497, 197319, 244477, 532491, 733431, 762193, 1118141, 2286579, 3017449, 3354423, 4156109, 9052347, 12468327, 12957281, 38871843, 220273777, 660821331]

約数ペア:

[(1, 660821331), (3, 220273777), (17, 38871843), (51, 12957281), (53, 12468327), (73, 9052347), (159, 4156109), (197, 3354423), (219, 3017449), (289, 2286579), (591, 1118141), (867, 762193), (901, 733431), (1241, 532491), (2703, 244477), (3349, 197319), (3723, 177497), (3869, 170799), (10047, 65773), (10441, 63291), (11607, 56933), (14381, 45951), (15317, 43143), (21097, 31323)]