201948495

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:452

約数の個数: 64

約数和(自身を含む): 379551744

約数和(自身を除く): 177603249

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 103, 105, 213, 263, 309, 355, 497, 515, 721, 789, 1065, 1315, 1491, 1545, 1841, 2163, 2485, 3605, 3945, 5523, 7313, 7455, 9205, 10815, 18673, 21939, 27089, 27615, 36565, 51191, 56019, 81267, 93365, 109695, 130711, 135445, 153573, 189623, 255955, 280095, 392133, 406335, 568869, 653555, 767865, 948115, 1923319, 1960665, 2844345, 5769957, 9616595, 13463233, 28849785, 40389699, 67316165, 201948495]

約数ペア:

[(1, 201948495), (3, 67316165), (5, 40389699), (7, 28849785), (15, 13463233), (21, 9616595), (35, 5769957), (71, 2844345), (103, 1960665), (105, 1923319), (213, 948115), (263, 767865), (309, 653555), (355, 568869), (497, 406335), (515, 392133), (721, 280095), (789, 255955), (1065, 189623), (1315, 153573), (1491, 135445), (1545, 130711), (1841, 109695), (2163, 93365), (2485, 81267), (3605, 56019), (3945, 51191), (5523, 36565), (7313, 27615), (7455, 27089), (9205, 21939), (10815, 18673)]