28468125

素因数分解:

$3^3\times 5^4\times 7^1\times {\mathrm{241}}^1$

素因数の和:277

約数の個数: 80

約数和(自身を含む): 60480640

約数和(自身を除く): 32012515

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 125, 135, 175, 189, 225, 241, 315, 375, 525, 625, 675, 723, 875, 945, 1125, 1205, 1575, 1687, 1875, 2169, 2625, 3375, 3615, 4375, 4725, 5061, 5625, 6025, 6507, 7875, 8435, 10845, 13125, 15183, 16875, 18075, 23625, 25305, 30125, 32535, 39375, 42175, 45549, 54225, 75915, 90375, 118125, 126525, 150625, 162675, 210875, 227745, 271125, 379575, 451875, 632625, 813375, 1054375, 1138725, 1355625, 1897875, 3163125, 4066875, 5693625, 9489375, 28468125]

約数ペア:

[(1, 28468125), (3, 9489375), (5, 5693625), (7, 4066875), (9, 3163125), (15, 1897875), (21, 1355625), (25, 1138725), (27, 1054375), (35, 813375), (45, 632625), (63, 451875), (75, 379575), (105, 271125), (125, 227745), (135, 210875), (175, 162675), (189, 150625), (225, 126525), (241, 118125), (315, 90375), (375, 75915), (525, 54225), (625, 45549), (675, 42175), (723, 39375), (875, 32535), (945, 30125), (1125, 25305), (1205, 23625), (1575, 18075), (1687, 16875), (1875, 15183), (2169, 13125), (2625, 10845), (3375, 8435), (3615, 7875), (4375, 6507), (4725, 6025), (5061, 5625)]