31080225

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{373}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 56764224

約数和(自身を除く): 25683999

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 101, 165, 275, 303, 373, 505, 825, 1111, 1119, 1515, 1865, 2525, 3333, 4103, 5555, 5595, 7575, 9325, 12309, 16665, 20515, 27775, 27975, 37673, 61545, 83325, 102575, 113019, 188365, 307725, 414403, 565095, 941825, 1243209, 2072015, 2825475, 6216045, 10360075, 31080225]

約数ペア:

[(1, 31080225), (3, 10360075), (5, 6216045), (11, 2825475), (15, 2072015), (25, 1243209), (33, 941825), (55, 565095), (75, 414403), (101, 307725), (165, 188365), (275, 113019), (303, 102575), (373, 83325), (505, 61545), (825, 37673), (1111, 27975), (1119, 27775), (1515, 20515), (1865, 16665), (2525, 12309), (3333, 9325), (4103, 7575), (5555, 5595)]