81435295

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 107495424

約数和(自身を除く): 26060129

約数列:

[1, 5, 23, 31, 53, 115, 155, 265, 431, 713, 1219, 1643, 2155, 3565, 6095, 8215, 9913, 13361, 22843, 37789, 49565, 66805, 114215, 188945, 307303, 525389, 708133, 1536515, 2626945, 3540665, 16287059, 81435295]

約数ペア:

[(1, 81435295), (5, 16287059), (23, 3540665), (31, 2626945), (53, 1536515), (115, 708133), (155, 525389), (265, 307303), (431, 188945), (713, 114215), (1219, 66805), (1643, 49565), (2155, 37789), (3565, 22843), (6095, 13361), (8215, 9913)]