17815941

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 30750720

約数和(自身を除く): 12934779

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 109, 117, 127, 143, 327, 381, 429, 981, 1143, 1199, 1287, 1397, 1417, 1651, 3597, 4191, 4251, 4953, 10791, 12573, 12753, 13843, 14859, 15587, 18161, 41529, 46761, 54483, 124587, 140283, 152273, 163449, 179959, 456819, 539877, 1370457, 1619631, 1979549, 5938647, 17815941]

約数ペア:

[(1, 17815941), (3, 5938647), (9, 1979549), (11, 1619631), (13, 1370457), (33, 539877), (39, 456819), (99, 179959), (109, 163449), (117, 152273), (127, 140283), (143, 124587), (327, 54483), (381, 46761), (429, 41529), (981, 18161), (1143, 15587), (1199, 14859), (1287, 13843), (1397, 12753), (1417, 12573), (1651, 10791), (3597, 4953), (4191, 4251)]