61440561

素因数分解:

$3^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{1531}}^1$

素因数の和:1571

約数の個数: 48

約数和(自身を含む): 111529600

約数和(自身を除く): 50089039

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 343, 441, 637, 819, 1029, 1531, 1911, 3087, 4459, 4593, 5733, 10717, 13377, 13779, 19903, 32151, 40131, 59709, 75019, 96453, 139321, 179127, 225057, 417963, 525133, 675171, 975247, 1253889, 1575399, 2925741, 4726197, 6826729, 8777223, 20480187, 61440561]

約数ペア:

[(1, 61440561), (3, 20480187), (7, 8777223), (9, 6826729), (13, 4726197), (21, 2925741), (39, 1575399), (49, 1253889), (63, 975247), (91, 675171), (117, 525133), (147, 417963), (273, 225057), (343, 179127), (441, 139321), (637, 96453), (819, 75019), (1029, 59709), (1531, 40131), (1911, 32151), (3087, 19903), (4459, 13779), (4593, 13377), (5733, 10717)]