40808865

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{149}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 71496000

約数和(自身を除く): 30687135

約数列:

[1, 3, 5, 15, 19, 31, 57, 93, 95, 149, 155, 285, 447, 465, 589, 745, 961, 1767, 2235, 2831, 2883, 2945, 4619, 4805, 8493, 8835, 13857, 14155, 14415, 18259, 23095, 42465, 54777, 69285, 87761, 91295, 143189, 263283, 273885, 429567, 438805, 715945, 1316415, 2147835, 2720591, 8161773, 13602955, 40808865]

約数ペア:

[(1, 40808865), (3, 13602955), (5, 8161773), (15, 2720591), (19, 2147835), (31, 1316415), (57, 715945), (93, 438805), (95, 429567), (149, 273885), (155, 263283), (285, 143189), (447, 91295), (465, 87761), (589, 69285), (745, 54777), (961, 42465), (1767, 23095), (2235, 18259), (2831, 14415), (2883, 14155), (2945, 13857), (4619, 8835), (4805, 8493)]