398942385

素因数分解:

$3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1\times {\mathrm{433}}^1$

素因数の和:937

約数の個数: 32

約数和(自身を含む): 644958720

約数和(自身を除く): 246016335

約数列:

[1, 3, 5, 15, 239, 257, 433, 717, 771, 1195, 1285, 1299, 2165, 3585, 3855, 6495, 61423, 103487, 111281, 184269, 307115, 310461, 333843, 517435, 556405, 921345, 1552305, 1669215, 26596159, 79788477, 132980795, 398942385]

約数ペア:

[(1, 398942385), (3, 132980795), (5, 79788477), (15, 26596159), (239, 1669215), (257, 1552305), (433, 921345), (717, 556405), (771, 517435), (1195, 333843), (1285, 310461), (1299, 307115), (2165, 184269), (3585, 111281), (3855, 103487), (6495, 61423)]