289802019

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{877}}^1$

素因数の和:1159

約数の個数: 32

約数和(自身を含む): 429728320

約数和(自身を除く): 139926301

約数列:

[1, 3, 13, 37, 39, 111, 229, 481, 687, 877, 1443, 2631, 2977, 8473, 8931, 11401, 25419, 32449, 34203, 97347, 110149, 200833, 330447, 421837, 602499, 1265511, 2610829, 7430821, 7832487, 22292463, 96600673, 289802019]

約数ペア:

[(1, 289802019), (3, 96600673), (13, 22292463), (37, 7832487), (39, 7430821), (111, 2610829), (229, 1265511), (481, 602499), (687, 421837), (877, 330447), (1443, 200833), (2631, 110149), (2977, 97347), (8473, 34203), (8931, 32449), (11401, 25419)]