28475205

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1$

素因数の和:362

約数の個数: 64

約数和(自身を含む): 54190080

約数和(自身を除く): 25714875

約数列:

[1, 3, 5, 11, 15, 19, 31, 33, 55, 57, 93, 95, 155, 165, 209, 285, 293, 341, 465, 589, 627, 879, 1023, 1045, 1465, 1705, 1767, 2945, 3135, 3223, 4395, 5115, 5567, 6479, 8835, 9083, 9669, 16115, 16701, 19437, 27249, 27835, 32395, 45415, 48345, 61237, 83505, 97185, 99913, 136245, 172577, 183711, 299739, 306185, 499565, 517731, 862885, 918555, 1498695, 1898347, 2588655, 5695041, 9491735, 28475205]

約数ペア:

[(1, 28475205), (3, 9491735), (5, 5695041), (11, 2588655), (15, 1898347), (19, 1498695), (31, 918555), (33, 862885), (55, 517731), (57, 499565), (93, 306185), (95, 299739), (155, 183711), (165, 172577), (209, 136245), (285, 99913), (293, 97185), (341, 83505), (465, 61237), (589, 48345), (627, 45415), (879, 32395), (1023, 27835), (1045, 27249), (1465, 19437), (1705, 16701), (1767, 16115), (2945, 9669), (3135, 9083), (3223, 8835), (4395, 6479), (5115, 5567)]