243973995

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1\times {\mathrm{1093}}^1$

素因数の和:1771

約数の個数: 32

約数和(自身を含む): 408333312

約数和(自身を除く): 164359317

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 647, 1093, 1941, 3235, 3279, 5465, 9705, 14881, 16395, 25139, 44643, 74405, 75417, 125695, 223215, 377085, 707171, 2121513, 3535855, 10607565, 16264933, 48794799, 81324665, 243973995]

約数ペア:

[(1, 243973995), (3, 81324665), (5, 48794799), (15, 16264933), (23, 10607565), (69, 3535855), (115, 2121513), (345, 707171), (647, 377085), (1093, 223215), (1941, 125695), (3235, 75417), (3279, 74405), (5465, 44643), (9705, 25139), (14881, 16395)]