1888890975

素因数分解:

$3^3\times 5^2\times {\mathrm{109}}^1\times {\mathrm{25673}}^1$

素因数の和:25801

約数の個数: 48

約数和(自身を含む): 3501933600

約数和(自身を除く): 1613042625

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 109, 135, 225, 327, 545, 675, 981, 1635, 2725, 2943, 4905, 8175, 14715, 24525, 25673, 73575, 77019, 128365, 231057, 385095, 641825, 693171, 1155285, 1925475, 2798357, 3465855, 5776425, 8395071, 13991785, 17329275, 25185213, 41975355, 69958925, 75555639, 125926065, 209876775, 377778195, 629630325, 1888890975]

約数ペア:

[(1, 1888890975), (3, 629630325), (5, 377778195), (9, 209876775), (15, 125926065), (25, 75555639), (27, 69958925), (45, 41975355), (75, 25185213), (109, 17329275), (135, 13991785), (225, 8395071), (327, 5776425), (545, 3465855), (675, 2798357), (981, 1925475), (1635, 1155285), (2725, 693171), (2943, 641825), (4905, 385095), (8175, 231057), (14715, 128365), (24525, 77019), (25673, 73575)]