157499775

素因数分解:

$3^3\times 5^2\times {\mathrm{353}}^1\times {\mathrm{661}}^1$

素因数の和:1033

約数の個数: 48

約数和(自身を含む): 290591520

約数和(自身を除く): 133091745

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 353, 661, 675, 1059, 1765, 1983, 3177, 3305, 5295, 5949, 8825, 9531, 9915, 15885, 16525, 17847, 26475, 29745, 47655, 49575, 79425, 89235, 148725, 233333, 238275, 446175, 699999, 1166665, 2099997, 3499995, 5833325, 6299991, 10499985, 17499975, 31499955, 52499925, 157499775]

約数ペア:

[(1, 157499775), (3, 52499925), (5, 31499955), (9, 17499975), (15, 10499985), (25, 6299991), (27, 5833325), (45, 3499995), (75, 2099997), (135, 1166665), (225, 699999), (353, 446175), (661, 238275), (675, 233333), (1059, 148725), (1765, 89235), (1983, 79425), (3177, 49575), (3305, 47655), (5295, 29745), (5949, 26475), (8825, 17847), (9531, 16525), (9915, 15885)]