156728685

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{1439}}^1$

素因数の和:1637

約数の個数: 32

約数和(自身を含む): 257541120

約数和(自身を除く): 100812435

約数列:

[1, 3, 5, 15, 53, 137, 159, 265, 411, 685, 795, 1439, 2055, 4317, 7195, 7261, 21585, 21783, 36305, 76267, 108915, 197143, 228801, 381335, 591429, 985715, 1144005, 2957145, 10448579, 31345737, 52242895, 156728685]

約数ペア:

[(1, 156728685), (3, 52242895), (5, 31345737), (15, 10448579), (53, 2957145), (137, 1144005), (159, 985715), (265, 591429), (411, 381335), (685, 228801), (795, 197143), (1439, 108915), (2055, 76267), (4317, 36305), (7195, 21783), (7261, 21585)]