247845

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:93

約数の個数: 32

約数和(自身を含む): 451584

約数和(自身を除く): 203739

約数列:

[1, 3, 5, 13, 15, 31, 39, 41, 65, 93, 123, 155, 195, 205, 403, 465, 533, 615, 1209, 1271, 1599, 2015, 2665, 3813, 6045, 6355, 7995, 16523, 19065, 49569, 82615, 247845]

約数ペア:

[(1, 247845), (3, 82615), (5, 49569), (13, 19065), (15, 16523), (31, 7995), (39, 6355), (41, 6045), (65, 3813), (93, 2665), (123, 2015), (155, 1599), (195, 1271), (205, 1209), (403, 615), (465, 533)]