1727955

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:120

約数の個数: 48

約数和(自身を含む): 3294720

約数和(自身を除く): 1566765

約数列:

[1, 3, 5, 9, 15, 19, 43, 45, 47, 57, 95, 129, 141, 171, 215, 235, 285, 387, 423, 645, 705, 817, 855, 893, 1935, 2021, 2115, 2451, 2679, 4085, 4465, 6063, 7353, 8037, 10105, 12255, 13395, 18189, 30315, 36765, 38399, 40185, 90945, 115197, 191995, 345591, 575985, 1727955]

約数ペア:

[(1, 1727955), (3, 575985), (5, 345591), (9, 191995), (15, 115197), (19, 90945), (43, 40185), (45, 38399), (47, 36765), (57, 30315), (95, 18189), (129, 13395), (141, 12255), (171, 10105), (215, 8037), (235, 7353), (285, 6063), (387, 4465), (423, 4085), (645, 2679), (705, 2451), (817, 2115), (855, 2021), (893, 1935)]