87572961

素因数分解:

$3^3\times 7^1\times {\mathrm{563}}^1\times {\mathrm{823}}^1$

素因数の和:1402

約数の個数: 32

約数和(自身を含む): 148715520

約数和(自身を除く): 61142559

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 563, 823, 1689, 2469, 3941, 5067, 5761, 7407, 11823, 15201, 17283, 22221, 35469, 51849, 106407, 155547, 463349, 1390047, 3243443, 4170141, 9730329, 12510423, 29190987, 87572961]

約数ペア:

[(1, 87572961), (3, 29190987), (7, 12510423), (9, 9730329), (21, 4170141), (27, 3243443), (63, 1390047), (189, 463349), (563, 155547), (823, 106407), (1689, 51849), (2469, 35469), (3941, 22221), (5067, 17283), (5761, 15201), (7407, 11823)]