128980485

素因数分解:

$3^3\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1697}}^1$

素因数の和:2274

約数の個数: 32

約数和(自身を含む): 229841280

約数和(自身を除く): 100860795

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 563, 1689, 1697, 2815, 5067, 5091, 8445, 8485, 15201, 15273, 25335, 25455, 45819, 76005, 76365, 229095, 955411, 2866233, 4777055, 8598699, 14331165, 25796097, 42993495, 128980485]

約数ペア:

[(1, 128980485), (3, 42993495), (5, 25796097), (9, 14331165), (15, 8598699), (27, 4777055), (45, 2866233), (135, 955411), (563, 229095), (1689, 76365), (1697, 76005), (2815, 45819), (5067, 25455), (5091, 25335), (8445, 15273), (8485, 15201)]