178778961

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{563}}^1\times {\mathrm{619}}^1$

素因数の和:1210

約数の個数: 32

約数和(自身を含む): 279744000

約数和(自身を除く): 100965039

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 563, 619, 1689, 1857, 5067, 5571, 10697, 11761, 15201, 16713, 32091, 35283, 96273, 105849, 288819, 317547, 348497, 1045491, 3136473, 6621443, 9409419, 19864329, 59592987, 178778961]

約数ペア:

[(1, 178778961), (3, 59592987), (9, 19864329), (19, 9409419), (27, 6621443), (57, 3136473), (171, 1045491), (513, 348497), (563, 317547), (619, 288819), (1689, 105849), (1857, 96273), (5067, 35283), (5571, 32091), (10697, 16713), (11761, 15201)]