1861275

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:132

約数の個数: 48

約数和(自身を含む): 3499776

約数和(自身を除く): 1638501

約数列:

[1, 3, 5, 13, 15, 23, 25, 39, 65, 69, 75, 83, 115, 195, 249, 299, 325, 345, 415, 575, 897, 975, 1079, 1245, 1495, 1725, 1909, 2075, 3237, 4485, 5395, 5727, 6225, 7475, 9545, 16185, 22425, 24817, 26975, 28635, 47725, 74451, 80925, 124085, 143175, 372255, 620425, 1861275]

約数ペア:

[(1, 1861275), (3, 620425), (5, 372255), (13, 143175), (15, 124085), (23, 80925), (25, 74451), (39, 47725), (65, 28635), (69, 26975), (75, 24817), (83, 22425), (115, 16185), (195, 9545), (249, 7475), (299, 6225), (325, 5727), (345, 5395), (415, 4485), (575, 3237), (897, 2075), (975, 1909), (1079, 1725), (1245, 1495)]