78725997

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{10501}}^1$

素因数の和:10538

約数の個数: 36

約数和(自身を含む): 140075676

約数和(自身を除く): 61349679

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 357, 441, 833, 1071, 2499, 7497, 10501, 31503, 73507, 94509, 178517, 220521, 514549, 535551, 661563, 1249619, 1543647, 1606653, 3748857, 4630941, 8747333, 11246571, 26241999, 78725997]

約数ペア:

[(1, 78725997), (3, 26241999), (7, 11246571), (9, 8747333), (17, 4630941), (21, 3748857), (49, 1606653), (51, 1543647), (63, 1249619), (119, 661563), (147, 535551), (153, 514549), (357, 220521), (441, 178517), (833, 94509), (1071, 73507), (2499, 31503), (7497, 10501)]