209726439

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{4231}}^1$

素因数の和:4319

約数の個数: 32

約数和(自身を含む): 318517248

約数和(自身を除く): 108790809

約数列:

[1, 3, 13, 31, 39, 41, 93, 123, 403, 533, 1209, 1271, 1599, 3813, 4231, 12693, 16523, 49569, 55003, 131161, 165009, 173471, 393483, 520413, 1705093, 2255123, 5115279, 5377601, 6765369, 16132803, 69908813, 209726439]

約数ペア:

[(1, 209726439), (3, 69908813), (13, 16132803), (31, 6765369), (39, 5377601), (41, 5115279), (93, 2255123), (123, 1705093), (403, 520413), (533, 393483), (1209, 173471), (1271, 165009), (1599, 131161), (3813, 55003), (4231, 49569), (12693, 16523)]