27720283455

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{27827}}^1$

素因数の和:28045

約数の個数: 64

約数和(自身を含む): 50651412480

約数和(自身を除く): 22931129025

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 135, 141, 157, 235, 423, 471, 705, 785, 1269, 1413, 2115, 2355, 4239, 6345, 7065, 7379, 21195, 22137, 27827, 36895, 66411, 83481, 110685, 139135, 199233, 250443, 332055, 417405, 751329, 996165, 1252215, 1307869, 3756645, 3923607, 4368839, 6539345, 11770821, 13106517, 19618035, 21844195, 35312463, 39319551, 58854105, 65532585, 117958653, 176562315, 196597755, 205335433, 589793265, 616006299, 1026677165, 1848018897, 3080031495, 5544056691, 9240094485, 27720283455]

約数ペア:

[(1, 27720283455), (3, 9240094485), (5, 5544056691), (9, 3080031495), (15, 1848018897), (27, 1026677165), (45, 616006299), (47, 589793265), (135, 205335433), (141, 196597755), (157, 176562315), (235, 117958653), (423, 65532585), (471, 58854105), (705, 39319551), (785, 35312463), (1269, 21844195), (1413, 19618035), (2115, 13106517), (2355, 11770821), (4239, 6539345), (6345, 4368839), (7065, 3923607), (7379, 3756645), (21195, 1307869), (22137, 1252215), (27827, 996165), (36895, 751329), (66411, 417405), (83481, 332055), (110685, 250443), (139135, 199233)]