145977021

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{30661}}^1$

素因数の和:30713

約数の個数: 18

約数和(自身を含む): 220429118

約数和(自身を除く): 74452097

約数列:

[1, 3, 9, 23, 69, 207, 529, 1587, 4761, 30661, 91983, 275949, 705203, 2115609, 6346827, 16219669, 48659007, 145977021]

約数ペア:

[(1, 145977021), (3, 48659007), (9, 16219669), (23, 6346827), (69, 2115609), (207, 705203), (529, 275949), (1587, 91983), (4761, 30661)]