68019015

素因数分解:

$3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{21491}}^1$

素因数の和:21710

約数の個数: 16

約数和(自身を含む): 109351296

約数和(自身を除く): 41332281

約数列:

[1, 3, 5, 15, 211, 633, 1055, 3165, 21491, 64473, 107455, 322365, 4534601, 13603803, 22673005, 68019015]

約数ペア:

[(1, 68019015), (3, 22673005), (5, 13603803), (15, 4534601), (211, 322365), (633, 107455), (1055, 64473), (3165, 21491)]