728940897

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{3709}}^1$

素因数の和:3998

約数の個数: 32

約数和(自身を含む): 1121904000

約数和(自身を除く): 392963103

約数列:

[1, 3, 9, 27, 29, 87, 251, 261, 753, 783, 2259, 3709, 6777, 7279, 11127, 21837, 33381, 65511, 100143, 107561, 196533, 322683, 930959, 968049, 2792877, 2904147, 8378631, 25135893, 26997811, 80993433, 242980299, 728940897]

約数ペア:

[(1, 728940897), (3, 242980299), (9, 80993433), (27, 26997811), (29, 25135893), (87, 8378631), (251, 2904147), (261, 2792877), (753, 968049), (783, 930959), (2259, 322683), (3709, 196533), (6777, 107561), (7279, 100143), (11127, 65511), (21837, 33381)]