28154175

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 55639296

約数和(自身を除く): 27485121

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 47, 49, 75, 105, 141, 147, 163, 175, 235, 245, 329, 489, 525, 705, 735, 815, 987, 1141, 1175, 1225, 1645, 2303, 2445, 3423, 3525, 3675, 4075, 4935, 5705, 6909, 7661, 7987, 8225, 11515, 12225, 17115, 22983, 23961, 24675, 28525, 34545, 38305, 39935, 53627, 57575, 85575, 114915, 119805, 160881, 172725, 191525, 199675, 268135, 375389, 574575, 599025, 804405, 1126167, 1340675, 1876945, 4022025, 5630835, 9384725, 28154175]

約数ペア:

[(1, 28154175), (3, 9384725), (5, 5630835), (7, 4022025), (15, 1876945), (21, 1340675), (25, 1126167), (35, 804405), (47, 599025), (49, 574575), (75, 375389), (105, 268135), (141, 199675), (147, 191525), (163, 172725), (175, 160881), (235, 119805), (245, 114915), (329, 85575), (489, 57575), (525, 53627), (705, 39935), (735, 38305), (815, 34545), (987, 28525), (1141, 24675), (1175, 23961), (1225, 22983), (1645, 17115), (2303, 12225), (2445, 11515), (3423, 8225), (3525, 7987), (3675, 7661), (4075, 6909), (4935, 5705)]