78442497

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{15761}}^1$

素因数の和:15853

約数の個数: 24

約数和(自身を含む): 131139840

約数和(自身を除く): 52697343

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 4977, 15761, 47283, 110327, 141849, 330981, 992943, 1245119, 3735357, 8715833, 11206071, 26147499, 78442497]

約数ペア:

[(1, 78442497), (3, 26147499), (7, 11206071), (9, 8715833), (21, 3735357), (63, 1245119), (79, 992943), (237, 330981), (553, 141849), (711, 110327), (1659, 47283), (4977, 15761)]