72408465

素因数分解:

$3^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2087}}^1$

素因数の和:2358

約数の個数: 32

約数和(自身を含む): 129288960

約数和(自身を除く): 56880495

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 257, 771, 1285, 2087, 2313, 3855, 6261, 6939, 10435, 11565, 18783, 31305, 34695, 56349, 93915, 281745, 536359, 1609077, 2681795, 4827231, 8045385, 14481693, 24136155, 72408465]

約数ペア:

[(1, 72408465), (3, 24136155), (5, 14481693), (9, 8045385), (15, 4827231), (27, 2681795), (45, 1609077), (135, 536359), (257, 281745), (771, 93915), (1285, 56349), (2087, 34695), (2313, 31305), (3855, 18783), (6261, 11565), (6939, 10435)]