78879855

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{1217}}^1$

素因数の和:1403

約数の個数: 32

約数和(自身を含む): 131544000

約数和(自身を除く): 52664145

約数列:

[1, 3, 5, 15, 29, 87, 145, 149, 435, 447, 745, 1217, 2235, 3651, 4321, 6085, 12963, 18255, 21605, 35293, 64815, 105879, 176465, 181333, 529395, 543999, 906665, 2719995, 5258657, 15775971, 26293285, 78879855]

約数ペア:

[(1, 78879855), (3, 26293285), (5, 15775971), (15, 5258657), (29, 2719995), (87, 906665), (145, 543999), (149, 529395), (435, 181333), (447, 176465), (745, 105879), (1217, 64815), (2235, 35293), (3651, 21605), (4321, 18255), (6085, 12963)]