64681911

素因数分解:

$3^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{911}}^1$

素因数の和:961

約数の個数: 48

約数和(自身を含む): 113817600

約数和(自身を除く): 49135689

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 343, 441, 483, 911, 1029, 1127, 1449, 2733, 3087, 3381, 6377, 7889, 8199, 10143, 19131, 20953, 23667, 44639, 57393, 62859, 71001, 133917, 146671, 188577, 312473, 401751, 440013, 937419, 1026697, 1320039, 2812257, 3080091, 7186879, 9240273, 21560637, 64681911]

約数ペア:

[(1, 64681911), (3, 21560637), (7, 9240273), (9, 7186879), (21, 3080091), (23, 2812257), (49, 1320039), (63, 1026697), (69, 937419), (147, 440013), (161, 401751), (207, 312473), (343, 188577), (441, 146671), (483, 133917), (911, 71001), (1029, 62859), (1127, 57393), (1449, 44639), (2733, 23667), (3087, 20953), (3381, 19131), (6377, 10143), (7889, 8199)]