201991799709

素因数分解:

$3^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{10581581}}^1$

素因数の和:10581698

約数の個数: 32

約数和(自身を含む): 345382836480

約数和(自身を除く): 143391036771

約数列:

[1, 3, 7, 9, 21, 27, 63, 101, 189, 303, 707, 909, 2121, 2727, 6363, 19089, 10581581, 31744743, 74071067, 95234229, 222213201, 285702687, 666639603, 1068739681, 1999918809, 3206219043, 7481177767, 9618657129, 22443533301, 28855971387, 67330599903, 201991799709]

約数ペア:

[(1, 201991799709), (3, 67330599903), (7, 28855971387), (9, 22443533301), (21, 9618657129), (27, 7481177767), (63, 3206219043), (101, 1999918809), (189, 1068739681), (303, 666639603), (707, 285702687), (909, 222213201), (2121, 95234229), (2727, 74071067), (6363, 31744743), (19089, 10581581)]