80669115

素因数分解:

$3^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{487}}^1$

素因数の和:913

約数の個数: 40

約数和(自身を含む): 145258080

約数和(自身を除く): 64588965

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 409, 487, 1227, 1461, 2045, 2435, 3681, 4383, 6135, 7305, 11043, 13149, 18405, 21915, 33129, 39447, 55215, 65745, 165645, 197235, 199183, 597549, 995915, 1792647, 2987745, 5377941, 8963235, 16133823, 26889705, 80669115]

約数ペア:

[(1, 80669115), (3, 26889705), (5, 16133823), (9, 8963235), (15, 5377941), (27, 2987745), (45, 1792647), (81, 995915), (135, 597549), (405, 199183), (409, 197235), (487, 165645), (1227, 65745), (1461, 55215), (2045, 39447), (2435, 33129), (3681, 21915), (4383, 18405), (6135, 13149), (7305, 11043)]