71966745

素因数分解:

$3^3\times 5^1\times {\mathrm{601}}^1\times {\mathrm{887}}^1$

素因数の和:1502

約数の個数: 32

約数和(自身を含む): 128298240

約数和(自身を除く): 56331495

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 601, 887, 1803, 2661, 3005, 4435, 5409, 7983, 9015, 13305, 16227, 23949, 27045, 39915, 81135, 119745, 533087, 1599261, 2665435, 4797783, 7996305, 14393349, 23988915, 71966745]

約数ペア:

[(1, 71966745), (3, 23988915), (5, 14393349), (9, 7996305), (15, 4797783), (27, 2665435), (45, 1599261), (135, 533087), (601, 119745), (887, 81135), (1803, 39915), (2661, 27045), (3005, 23949), (4435, 16227), (5409, 13305), (7983, 9015)]