72553761

素因数分解:

$3^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{1237}}^1$

素因数の和:1283

約数の個数: 48

約数和(自身を含む): 128752000

約数和(自身を除く): 56198239

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 343, 399, 441, 931, 1029, 1197, 1237, 2793, 3087, 3711, 6517, 8379, 8659, 11133, 19551, 23503, 25977, 58653, 60613, 70509, 77931, 164521, 181839, 211527, 424291, 493563, 545517, 1151647, 1272873, 1480689, 3454941, 3818619, 8061529, 10364823, 24184587, 72553761]

約数ペア:

[(1, 72553761), (3, 24184587), (7, 10364823), (9, 8061529), (19, 3818619), (21, 3454941), (49, 1480689), (57, 1272873), (63, 1151647), (133, 545517), (147, 493563), (171, 424291), (343, 211527), (399, 181839), (441, 164521), (931, 77931), (1029, 70509), (1197, 60613), (1237, 58653), (2793, 25977), (3087, 23503), (3711, 19551), (6517, 11133), (8379, 8659)]