215111286

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{15581}}^1$

素因数の和:15661

約数の個数: 48

約数和(自身を含む): 510466320

約数和(自身を除く): 295355034

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 59, 78, 117, 118, 177, 234, 354, 531, 767, 1062, 1534, 2301, 4602, 6903, 13806, 15581, 31162, 46743, 93486, 140229, 202553, 280458, 405106, 607659, 919279, 1215318, 1822977, 1838558, 2757837, 3645954, 5515674, 8273511, 11950627, 16547022, 23901254, 35851881, 71703762, 107555643, 215111286]

約数ペア:

[(1, 215111286), (2, 107555643), (3, 71703762), (6, 35851881), (9, 23901254), (13, 16547022), (18, 11950627), (26, 8273511), (39, 5515674), (59, 3645954), (78, 2757837), (117, 1838558), (118, 1822977), (177, 1215318), (234, 919279), (354, 607659), (531, 405106), (767, 280458), (1062, 202553), (1534, 140229), (2301, 93486), (4602, 46743), (6903, 31162), (13806, 15581)]