71491395

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1831}}^1$

素因数の和:1995

約数の個数: 32

約数和(自身を含む): 121351680

約数和(自身を除く): 49860285

約数列:

[1, 3, 5, 15, 19, 57, 95, 137, 285, 411, 685, 1831, 2055, 2603, 5493, 7809, 9155, 13015, 27465, 34789, 39045, 104367, 173945, 250847, 521835, 752541, 1254235, 3762705, 4766093, 14298279, 23830465, 71491395]

約数ペア:

[(1, 71491395), (3, 23830465), (5, 14298279), (15, 4766093), (19, 3762705), (57, 1254235), (95, 752541), (137, 521835), (285, 250847), (411, 173945), (685, 104367), (1831, 39045), (2055, 34789), (2603, 27465), (5493, 13015), (7809, 9155)]