23165175

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{653}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 42818688

約数和(自身を除く): 19653513

約数列:

[1, 3, 5, 11, 15, 25, 33, 43, 55, 75, 129, 165, 215, 275, 473, 645, 653, 825, 1075, 1419, 1959, 2365, 3225, 3265, 7095, 7183, 9795, 11825, 16325, 21549, 28079, 35475, 35915, 48975, 84237, 107745, 140395, 179575, 308869, 421185, 538725, 701975, 926607, 1544345, 2105925, 4633035, 7721725, 23165175]

約数ペア:

[(1, 23165175), (3, 7721725), (5, 4633035), (11, 2105925), (15, 1544345), (25, 926607), (33, 701975), (43, 538725), (55, 421185), (75, 308869), (129, 179575), (165, 140395), (215, 107745), (275, 84237), (473, 48975), (645, 35915), (653, 35475), (825, 28079), (1075, 21549), (1419, 16325), (1959, 11825), (2365, 9795), (3225, 7183), (3265, 7095)]