215151915

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1$

素因数の和:433

約数の個数: 96

約数和(自身を含む): 422876160

約数和(自身を除く): 207724245

約数列:

[1, 3, 5, 11, 15, 17, 19, 33, 51, 55, 57, 85, 95, 121, 165, 187, 209, 255, 285, 323, 363, 367, 561, 605, 627, 935, 969, 1045, 1101, 1615, 1815, 1835, 2057, 2299, 2805, 3135, 3553, 4037, 4845, 5505, 6171, 6239, 6897, 6973, 10285, 10659, 11495, 12111, 17765, 18717, 20185, 20919, 30855, 31195, 34485, 34865, 39083, 44407, 53295, 60555, 68629, 76703, 93585, 104595, 117249, 118541, 133221, 195415, 205887, 222035, 230109, 343145, 355623, 383515, 586245, 592705, 666105, 754919, 843733, 1029435, 1150545, 1303951, 1778115, 2264757, 2531199, 3774595, 3911853, 4218665, 6519755, 11323785, 12655995, 14343461, 19559265, 43030383, 71717305, 215151915]

約数ペア:

[(1, 215151915), (3, 71717305), (5, 43030383), (11, 19559265), (15, 14343461), (17, 12655995), (19, 11323785), (33, 6519755), (51, 4218665), (55, 3911853), (57, 3774595), (85, 2531199), (95, 2264757), (121, 1778115), (165, 1303951), (187, 1150545), (209, 1029435), (255, 843733), (285, 754919), (323, 666105), (363, 592705), (367, 586245), (561, 383515), (605, 355623), (627, 343145), (935, 230109), (969, 222035), (1045, 205887), (1101, 195415), (1615, 133221), (1815, 118541), (1835, 117249), (2057, 104595), (2299, 93585), (2805, 76703), (3135, 68629), (3553, 60555), (4037, 53295), (4845, 44407), (5505, 39083), (6171, 34865), (6239, 34485), (6897, 31195), (6973, 30855), (10285, 20919), (10659, 20185), (11495, 18717), (12111, 17765)]