28070385

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{211}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 52782912

約数和(自身を除く): 24712527

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 181, 211, 245, 543, 633, 735, 905, 1055, 1267, 1477, 2715, 3165, 3801, 4431, 6335, 7385, 8869, 10339, 19005, 22155, 26607, 31017, 38191, 44345, 51695, 114573, 133035, 155085, 190955, 267337, 572865, 802011, 1336685, 1871359, 4010055, 5614077, 9356795, 28070385]

約数ペア:

[(1, 28070385), (3, 9356795), (5, 5614077), (7, 4010055), (15, 1871359), (21, 1336685), (35, 802011), (49, 572865), (105, 267337), (147, 190955), (181, 155085), (211, 133035), (245, 114573), (543, 51695), (633, 44345), (735, 38191), (905, 31017), (1055, 26607), (1267, 22155), (1477, 19005), (2715, 10339), (3165, 8869), (3801, 7385), (4431, 6335)]