142394511

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1\times {\mathrm{271}}^1$

素因数の和:603

約数の個数: 32

約数和(自身を含む): 220594176

約数和(自身を除く): 78199665

約数列:

[1, 3, 7, 21, 131, 191, 271, 393, 573, 813, 917, 1337, 1897, 2751, 4011, 5691, 25021, 35501, 51761, 75063, 106503, 155283, 175147, 248507, 362327, 525441, 745521, 1086981, 6780691, 20342073, 47464837, 142394511]

約数ペア:

[(1, 142394511), (3, 47464837), (7, 20342073), (21, 6780691), (131, 1086981), (191, 745521), (271, 525441), (393, 362327), (573, 248507), (813, 175147), (917, 155283), (1337, 106503), (1897, 75063), (2751, 51761), (4011, 35501), (5691, 25021)]