17824995

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^2\times {\mathrm{157}}^1$

素因数の和:229

約数の個数: 48

約数和(自身を含む): 33028320

約数和(自身を除く): 15203325

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 157, 261, 435, 471, 783, 785, 841, 1305, 1413, 2355, 2523, 3915, 4205, 4239, 4553, 7065, 7569, 12615, 13659, 21195, 22707, 22765, 37845, 40977, 68295, 113535, 122931, 132037, 204885, 396111, 614655, 660185, 1188333, 1980555, 3564999, 5941665, 17824995]

約数ペア:

[(1, 17824995), (3, 5941665), (5, 3564999), (9, 1980555), (15, 1188333), (27, 660185), (29, 614655), (45, 396111), (87, 204885), (135, 132037), (145, 122931), (157, 113535), (261, 68295), (435, 40977), (471, 37845), (783, 22765), (785, 22707), (841, 21195), (1305, 13659), (1413, 12615), (2355, 7569), (2523, 7065), (3915, 4553), (4205, 4239)]