61657725

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1307}}^1$

素因数の和:1374

約数の個数: 48

約数和(自身を含む): 110939328

約数和(自身を除く): 49281603

約数列:

[1, 3, 5, 15, 17, 25, 37, 51, 75, 85, 111, 185, 255, 425, 555, 629, 925, 1275, 1307, 1887, 2775, 3145, 3921, 6535, 9435, 15725, 19605, 22219, 32675, 47175, 48359, 66657, 98025, 111095, 145077, 241795, 333285, 555475, 725385, 822103, 1208975, 1666425, 2466309, 3626925, 4110515, 12331545, 20552575, 61657725]

約数ペア:

[(1, 61657725), (3, 20552575), (5, 12331545), (15, 4110515), (17, 3626925), (25, 2466309), (37, 1666425), (51, 1208975), (75, 822103), (85, 725385), (111, 555475), (185, 333285), (255, 241795), (425, 145077), (555, 111095), (629, 98025), (925, 66657), (1275, 48359), (1307, 47175), (1887, 32675), (2775, 22219), (3145, 19605), (3921, 15725), (6535, 9435)]