79771635

素因数分解:

$3^4\times 5^1\times {\mathrm{431}}^1\times {\mathrm{457}}^1$

素因数の和:905

約数の個数: 40

約数和(自身を含む): 143643456

約数和(自身を除く): 63871821

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 431, 457, 1293, 1371, 2155, 2285, 3879, 4113, 6465, 6855, 11637, 12339, 19395, 20565, 34911, 37017, 58185, 61695, 174555, 185085, 196967, 590901, 984835, 1772703, 2954505, 5318109, 8863515, 15954327, 26590545, 79771635]

約数ペア:

[(1, 79771635), (3, 26590545), (5, 15954327), (9, 8863515), (15, 5318109), (27, 2954505), (45, 1772703), (81, 984835), (135, 590901), (405, 196967), (431, 185085), (457, 174555), (1293, 61695), (1371, 58185), (2155, 37017), (2285, 34911), (3879, 20565), (4113, 19395), (6465, 12339), (6855, 11637)]