28353375

素因数分解:

$3^3\times 5^3\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 54312960

約数和(自身を除く): 25959585

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 93, 125, 135, 155, 225, 271, 279, 375, 465, 675, 775, 813, 837, 1125, 1355, 1395, 2325, 2439, 3375, 3875, 4065, 4185, 6775, 6975, 7317, 8401, 11625, 12195, 20325, 20925, 25203, 33875, 34875, 36585, 42005, 60975, 75609, 101625, 104625, 126015, 182925, 210025, 226827, 304875, 378045, 630075, 914625, 1050125, 1134135, 1890225, 3150375, 5670675, 9451125, 28353375]

約数ペア:

[(1, 28353375), (3, 9451125), (5, 5670675), (9, 3150375), (15, 1890225), (25, 1134135), (27, 1050125), (31, 914625), (45, 630075), (75, 378045), (93, 304875), (125, 226827), (135, 210025), (155, 182925), (225, 126015), (271, 104625), (279, 101625), (375, 75609), (465, 60975), (675, 42005), (775, 36585), (813, 34875), (837, 33875), (1125, 25203), (1355, 20925), (1395, 20325), (2325, 12195), (2439, 11625), (3375, 8401), (3875, 7317), (4065, 6975), (4185, 6775)]