211345575

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:597

約数の個数: 72

約数和(自身を含む): 410509440

約数和(自身を除く): 199163865

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 131, 147, 175, 245, 393, 439, 525, 655, 735, 917, 1225, 1317, 1965, 2195, 2751, 3073, 3275, 3675, 4585, 6419, 6585, 9219, 9825, 10975, 13755, 15365, 19257, 21511, 22925, 32095, 32925, 46095, 57509, 64533, 68775, 76825, 96285, 107555, 160475, 172527, 230475, 287545, 322665, 402563, 481425, 537775, 862635, 1207689, 1437725, 1613325, 2012815, 2817941, 4313175, 6038445, 8453823, 10064075, 14089705, 30192225, 42269115, 70448525, 211345575]

約数ペア:

[(1, 211345575), (3, 70448525), (5, 42269115), (7, 30192225), (15, 14089705), (21, 10064075), (25, 8453823), (35, 6038445), (49, 4313175), (75, 2817941), (105, 2012815), (131, 1613325), (147, 1437725), (175, 1207689), (245, 862635), (393, 537775), (439, 481425), (525, 402563), (655, 322665), (735, 287545), (917, 230475), (1225, 172527), (1317, 160475), (1965, 107555), (2195, 96285), (2751, 76825), (3073, 68775), (3275, 64533), (3675, 57509), (4585, 46095), (6419, 32925), (6585, 32095), (9219, 22925), (9825, 21511), (10975, 19257), (13755, 15365)]