65401995

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1\times {\mathrm{647}}^1$

素因数の和:971

約数の個数: 32

約数和(自身を含む): 109734912

約数和(自身を除く): 44332917

約数列:

[1, 3, 5, 15, 23, 69, 115, 293, 345, 647, 879, 1465, 1941, 3235, 4395, 6739, 9705, 14881, 20217, 33695, 44643, 74405, 101085, 189571, 223215, 568713, 947855, 2843565, 4360133, 13080399, 21800665, 65401995]

約数ペア:

[(1, 65401995), (3, 21800665), (5, 13080399), (15, 4360133), (23, 2843565), (69, 947855), (115, 568713), (293, 223215), (345, 189571), (647, 101085), (879, 74405), (1465, 44643), (1941, 33695), (3235, 20217), (4395, 14881), (6739, 9705)]