291212982

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{78157}}^1$

素因数の和:78194

約数の個数: 40

約数和(自身を含む): 680912496

約数和(自身を除く): 389699514

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 414, 621, 1242, 1863, 3726, 78157, 156314, 234471, 468942, 703413, 1406826, 1797611, 2110239, 3595222, 4220478, 5392833, 6330717, 10785666, 12661434, 16178499, 32356998, 48535497, 97070994, 145606491, 291212982]

約数ペア:

[(1, 291212982), (2, 145606491), (3, 97070994), (6, 48535497), (9, 32356998), (18, 16178499), (23, 12661434), (27, 10785666), (46, 6330717), (54, 5392833), (69, 4220478), (81, 3595222), (138, 2110239), (162, 1797611), (207, 1406826), (414, 703413), (621, 468942), (1242, 234471), (1863, 156314), (3726, 78157)]