247704015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{12577}}^1$

素因数の和:12699

約数の個数: 32

約数和(自身を含む): 431073216

約数和(自身を除く): 183369201

約数列:

[1, 3, 5, 13, 15, 39, 65, 101, 195, 303, 505, 1313, 1515, 3939, 6565, 12577, 19695, 37731, 62885, 163501, 188655, 490503, 817505, 1270277, 2452515, 3810831, 6351385, 16513601, 19054155, 49540803, 82568005, 247704015]

約数ペア:

[(1, 247704015), (3, 82568005), (5, 49540803), (13, 19054155), (15, 16513601), (39, 6351385), (65, 3810831), (101, 2452515), (195, 1270277), (303, 817505), (505, 490503), (1313, 188655), (1515, 163501), (3939, 62885), (6565, 37731), (12577, 19695)]