221497362

素因数分解:

$2^1\times 3^3\times {\mathrm{421}}^1\times {\mathrm{9743}}^1$

素因数の和:10175

約数の個数: 32

約数和(自身を含む): 493436160

約数和(自身を除く): 271938798

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 421, 842, 1263, 2526, 3789, 7578, 9743, 11367, 19486, 22734, 29229, 58458, 87687, 175374, 263061, 526122, 4101803, 8203606, 12305409, 24610818, 36916227, 73832454, 110748681, 221497362]

約数ペア:

[(1, 221497362), (2, 110748681), (3, 73832454), (6, 36916227), (9, 24610818), (18, 12305409), (27, 8203606), (54, 4101803), (421, 526122), (842, 263061), (1263, 175374), (2526, 87687), (3789, 58458), (7578, 29229), (9743, 22734), (11367, 19486)]