201917895

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1\times {\mathrm{853}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 331871232

約数和(自身を除く): 129953337

約数列:

[1, 3, 5, 15, 43, 129, 215, 367, 645, 853, 1101, 1835, 2559, 4265, 5505, 12795, 15781, 36679, 47343, 78905, 110037, 183395, 236715, 313051, 550185, 939153, 1565255, 4695765, 13461193, 40383579, 67305965, 201917895]

約数ペア:

[(1, 201917895), (3, 67305965), (5, 40383579), (15, 13461193), (43, 4695765), (129, 1565255), (215, 939153), (367, 550185), (645, 313051), (853, 236715), (1101, 183395), (1835, 110037), (2559, 78905), (4265, 47343), (5505, 36679), (12795, 15781)]