1440807561

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:451

約数の個数: 64

約数和(自身を含む): 2280960000

約数和(自身を除く): 840152439

約数列:

[1, 3, 9, 23, 27, 69, 89, 131, 199, 207, 267, 393, 597, 621, 801, 1179, 1791, 2047, 2403, 3013, 3537, 4577, 5373, 6141, 9039, 11659, 13731, 17711, 18423, 26069, 27117, 34977, 41193, 53133, 55269, 78207, 81351, 104931, 123579, 159399, 234621, 268157, 314793, 407353, 478197, 599587, 703863, 804471, 1222059, 1798761, 2320141, 2413413, 3666177, 5396283, 6960423, 7240239, 10998531, 16188849, 20881269, 53363243, 62643807, 160089729, 480269187, 1440807561]

約数ペア:

[(1, 1440807561), (3, 480269187), (9, 160089729), (23, 62643807), (27, 53363243), (69, 20881269), (89, 16188849), (131, 10998531), (199, 7240239), (207, 6960423), (267, 5396283), (393, 3666177), (597, 2413413), (621, 2320141), (801, 1798761), (1179, 1222059), (1791, 804471), (2047, 703863), (2403, 599587), (3013, 478197), (3537, 407353), (4577, 314793), (5373, 268157), (6141, 234621), (9039, 159399), (11659, 123579), (13731, 104931), (17711, 81351), (18423, 78207), (26069, 55269), (27117, 53133), (34977, 41193)]