83211285

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1201}}^1$

素因数の和:1389

約数の個数: 32

約数和(自身を含む): 138470400

約数和(自身を除く): 55259115

約数列:

[1, 3, 5, 15, 31, 93, 149, 155, 447, 465, 745, 1201, 2235, 3603, 4619, 6005, 13857, 18015, 23095, 37231, 69285, 111693, 178949, 186155, 536847, 558465, 894745, 2684235, 5547419, 16642257, 27737095, 83211285]

約数ペア:

[(1, 83211285), (3, 27737095), (5, 16642257), (15, 5547419), (31, 2684235), (93, 894745), (149, 558465), (155, 536847), (447, 186155), (465, 178949), (745, 111693), (1201, 69285), (2235, 37231), (3603, 23095), (4619, 18015), (6005, 13857)]