728186109

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{1381}}^1$

素因数の和:1626

約数の個数: 48

約数和(自身を含む): 1202406336

約数和(自身を除く): 474220227

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 211, 357, 633, 833, 1381, 1477, 2499, 3587, 4143, 4431, 9667, 10339, 10761, 23477, 25109, 29001, 31017, 67669, 70431, 75327, 164339, 175763, 203007, 291391, 493017, 527289, 874173, 1150373, 2039737, 3451119, 4953647, 6119211, 14278159, 14860941, 34675529, 42834477, 104026587, 242728703, 728186109]

約数ペア:

[(1, 728186109), (3, 242728703), (7, 104026587), (17, 42834477), (21, 34675529), (49, 14860941), (51, 14278159), (119, 6119211), (147, 4953647), (211, 3451119), (357, 2039737), (633, 1150373), (833, 874173), (1381, 527289), (1477, 493017), (2499, 291391), (3587, 203007), (4143, 175763), (4431, 164339), (9667, 75327), (10339, 70431), (10761, 67669), (23477, 31017), (25109, 29001)]