1520020719

素因数分解:

$3^2\times 7^2\times {\mathrm{359}}^1\times {\mathrm{9601}}^1$

素因数の和:9980

約数の個数: 36

約数和(自身を含む): 2561429520

約数和(自身を除く): 1041408801

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 359, 441, 1077, 2513, 3231, 7539, 9601, 17591, 22617, 28803, 52773, 67207, 86409, 158319, 201621, 470449, 604863, 1411347, 3446759, 4234041, 10340277, 24127313, 31020831, 72381939, 168891191, 217145817, 506673573, 1520020719]

約数ペア:

[(1, 1520020719), (3, 506673573), (7, 217145817), (9, 168891191), (21, 72381939), (49, 31020831), (63, 24127313), (147, 10340277), (359, 4234041), (441, 3446759), (1077, 1411347), (2513, 604863), (3231, 470449), (7539, 201621), (9601, 158319), (17591, 86409), (22617, 67207), (28803, 52773)]