258170193

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{439}}^1\times {\mathrm{947}}^1$

素因数の和:1418

約数の個数: 32

約数和(自身を含む): 400435200

約数和(自身を除く): 142265007

約数列:

[1, 3, 9, 23, 27, 69, 207, 439, 621, 947, 1317, 2841, 3951, 8523, 10097, 11853, 21781, 25569, 30291, 65343, 90873, 196029, 272619, 415733, 588087, 1247199, 3741597, 9561859, 11224791, 28685577, 86056731, 258170193]

約数ペア:

[(1, 258170193), (3, 86056731), (9, 28685577), (23, 11224791), (27, 9561859), (69, 3741597), (207, 1247199), (439, 588087), (621, 415733), (947, 272619), (1317, 196029), (2841, 90873), (3951, 65343), (8523, 30291), (10097, 25569), (11853, 21781)]