156544857

素因数分解:

$3^2\times 7^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:220

約数の個数: 96

約数和(自身を含む): 295776000

約数和(自身を除く): 139231143

約数列:

[1, 3, 7, 9, 17, 19, 21, 49, 51, 57, 63, 119, 133, 147, 153, 157, 171, 323, 343, 357, 399, 441, 471, 833, 931, 969, 1029, 1071, 1099, 1197, 1413, 2261, 2499, 2669, 2793, 2907, 2983, 3087, 3297, 5831, 6517, 6783, 7497, 7693, 8007, 8379, 8949, 9891, 15827, 17493, 18683, 19551, 20349, 20881, 23079, 24021, 26847, 47481, 50711, 52479, 53851, 56049, 58653, 62643, 69237, 110789, 130781, 142443, 146167, 152133, 161553, 168147, 187929, 332367, 354977, 392343, 438501, 456399, 484659, 915467, 997101, 1023169, 1064931, 1177029, 1315503, 2484839, 2746401, 3069507, 3194793, 7454517, 8239203, 9208521, 17393873, 22363551, 52181619, 156544857]

約数ペア:

[(1, 156544857), (3, 52181619), (7, 22363551), (9, 17393873), (17, 9208521), (19, 8239203), (21, 7454517), (49, 3194793), (51, 3069507), (57, 2746401), (63, 2484839), (119, 1315503), (133, 1177029), (147, 1064931), (153, 1023169), (157, 997101), (171, 915467), (323, 484659), (343, 456399), (357, 438501), (399, 392343), (441, 354977), (471, 332367), (833, 187929), (931, 168147), (969, 161553), (1029, 152133), (1071, 146167), (1099, 142443), (1197, 130781), (1413, 110789), (2261, 69237), (2499, 62643), (2669, 58653), (2793, 56049), (2907, 53851), (2983, 52479), (3087, 50711), (3297, 47481), (5831, 26847), (6517, 24021), (6783, 23079), (7497, 20881), (7693, 20349), (8007, 19551), (8379, 18683), (8949, 17493), (9891, 15827)]