155500821

素因数分解:

$3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{7457}}^1$

素因数の和:7801

約数の個数: 24

約数和(自身を含む): 257509824

約数和(自身を除く): 102009003

約数列:

[1, 3, 7, 9, 21, 63, 331, 993, 2317, 2979, 6951, 7457, 20853, 22371, 52199, 67113, 156597, 469791, 2468267, 7404801, 17277869, 22214403, 51833607, 155500821]

約数ペア:

[(1, 155500821), (3, 51833607), (7, 22214403), (9, 17277869), (21, 7404801), (63, 2468267), (331, 469791), (993, 156597), (2317, 67113), (2979, 52199), (6951, 22371), (7457, 20853)]