64823325

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{569}}^1$

素因数の和:627

約数の個数: 72

約数和(自身を含む): 128920320

約数和(自身を除く): 64096995

約数列:

[1, 3, 5, 7, 15, 21, 25, 31, 35, 49, 75, 93, 105, 147, 155, 175, 217, 245, 465, 525, 569, 651, 735, 775, 1085, 1225, 1519, 1707, 2325, 2845, 3255, 3675, 3983, 4557, 5425, 7595, 8535, 11949, 14225, 16275, 17639, 19915, 22785, 27881, 37975, 42675, 52917, 59745, 83643, 88195, 99575, 113925, 123473, 139405, 264585, 298725, 370419, 418215, 440975, 617365, 697025, 864311, 1322925, 1852095, 2091075, 2592933, 3086825, 4321555, 9260475, 12964665, 21607775, 64823325]

約数ペア:

[(1, 64823325), (3, 21607775), (5, 12964665), (7, 9260475), (15, 4321555), (21, 3086825), (25, 2592933), (31, 2091075), (35, 1852095), (49, 1322925), (75, 864311), (93, 697025), (105, 617365), (147, 440975), (155, 418215), (175, 370419), (217, 298725), (245, 264585), (465, 139405), (525, 123473), (569, 113925), (651, 99575), (735, 88195), (775, 83643), (1085, 59745), (1225, 52917), (1519, 42675), (1707, 37975), (2325, 27881), (2845, 22785), (3255, 19915), (3675, 17639), (3983, 16275), (4557, 14225), (5425, 11949), (7595, 8535)]