390341925

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{293}}^1$

素因数の和:531

約数の個数: 72

約数和(自身を含む): 727953408

約数和(自身を除く): 337611483

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 155, 191, 225, 279, 293, 465, 573, 775, 879, 955, 1395, 1465, 1719, 2325, 2637, 2865, 4395, 4775, 5921, 6975, 7325, 8595, 9083, 13185, 14325, 17763, 21975, 27249, 29605, 42975, 45415, 53289, 55963, 65925, 81747, 88815, 136245, 148025, 167889, 227075, 266445, 279815, 408735, 444075, 503667, 681225, 839445, 1332225, 1399075, 1734853, 2043675, 2518335, 4197225, 5204559, 8674265, 12591675, 15613677, 26022795, 43371325, 78068385, 130113975, 390341925]

約数ペア:

[(1, 390341925), (3, 130113975), (5, 78068385), (9, 43371325), (15, 26022795), (25, 15613677), (31, 12591675), (45, 8674265), (75, 5204559), (93, 4197225), (155, 2518335), (191, 2043675), (225, 1734853), (279, 1399075), (293, 1332225), (465, 839445), (573, 681225), (775, 503667), (879, 444075), (955, 408735), (1395, 279815), (1465, 266445), (1719, 227075), (2325, 167889), (2637, 148025), (2865, 136245), (4395, 88815), (4775, 81747), (5921, 65925), (6975, 55963), (7325, 53289), (8595, 45415), (9083, 42975), (13185, 29605), (14325, 27249), (17763, 21975)]