25380537

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2999}}^1$

素因数の和:3053

約数の個数: 32

約数和(自身を含む): 43008000

約数和(自身を除く): 17627463

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1209, 2821, 2999, 8463, 8997, 20993, 38987, 62979, 92969, 116961, 272909, 278907, 650783, 818727, 1208597, 1952349, 3625791, 8460179, 25380537]

約数ペア:

[(1, 25380537), (3, 8460179), (7, 3625791), (13, 1952349), (21, 1208597), (31, 818727), (39, 650783), (91, 278907), (93, 272909), (217, 116961), (273, 92969), (403, 62979), (651, 38987), (1209, 20993), (2821, 8997), (2999, 8463)]