7478289

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 13907712

約数和(自身を除く): 6429423

約数列:

[1, 3, 7, 9, 13, 21, 23, 39, 63, 69, 91, 117, 161, 207, 273, 299, 397, 483, 819, 897, 1191, 1449, 2093, 2691, 2779, 3573, 5161, 6279, 8337, 9131, 15483, 18837, 25011, 27393, 36127, 46449, 63917, 82179, 108381, 118703, 191751, 325143, 356109, 575253, 830921, 1068327, 2492763, 7478289]

約数ペア:

[(1, 7478289), (3, 2492763), (7, 1068327), (9, 830921), (13, 575253), (21, 356109), (23, 325143), (39, 191751), (63, 118703), (69, 108381), (91, 82179), (117, 63917), (161, 46449), (207, 36127), (273, 27393), (299, 25011), (397, 18837), (483, 15483), (819, 9131), (897, 8337), (1191, 6279), (1449, 5161), (2093, 3573), (2691, 2779)]