55420911

素因数分解:

$3^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{1381}}^1$

素因数の和:1421

約数の個数: 48

約数和(自身を含む): 100609600

約数和(自身を除く): 45188689

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 343, 441, 637, 819, 1029, 1381, 1911, 3087, 4143, 4459, 5733, 9667, 12429, 13377, 17953, 29001, 40131, 53859, 67669, 87003, 125671, 161577, 203007, 377013, 473683, 609021, 879697, 1131039, 1421049, 2639091, 4263147, 6157879, 7917273, 18473637, 55420911]

約数ペア:

[(1, 55420911), (3, 18473637), (7, 7917273), (9, 6157879), (13, 4263147), (21, 2639091), (39, 1421049), (49, 1131039), (63, 879697), (91, 609021), (117, 473683), (147, 377013), (273, 203007), (343, 161577), (441, 125671), (637, 87003), (819, 67669), (1029, 53859), (1381, 40131), (1911, 29001), (3087, 17953), (4143, 13377), (4459, 12429), (5733, 9667)]