213427665

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{2063}}^1$

素因数の和:2115

約数の個数: 72

約数和(自身を含む): 428238720

約数和(自身を除く): 214811055

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 95, 99, 121, 165, 171, 209, 285, 363, 495, 605, 627, 855, 1045, 1089, 1815, 1881, 2063, 2299, 3135, 5445, 6189, 6897, 9405, 10315, 11495, 18567, 20691, 22693, 30945, 34485, 39197, 68079, 92835, 103455, 113465, 117591, 195985, 204237, 249623, 340395, 352773, 431167, 587955, 748869, 1021185, 1248115, 1293501, 1763865, 2155835, 2246607, 3744345, 3880503, 4742837, 6467505, 11233035, 14228511, 19402515, 23714185, 42685533, 71142555, 213427665]

約数ペア:

[(1, 213427665), (3, 71142555), (5, 42685533), (9, 23714185), (11, 19402515), (15, 14228511), (19, 11233035), (33, 6467505), (45, 4742837), (55, 3880503), (57, 3744345), (95, 2246607), (99, 2155835), (121, 1763865), (165, 1293501), (171, 1248115), (209, 1021185), (285, 748869), (363, 587955), (495, 431167), (605, 352773), (627, 340395), (855, 249623), (1045, 204237), (1089, 195985), (1815, 117591), (1881, 113465), (2063, 103455), (2299, 92835), (3135, 68079), (5445, 39197), (6189, 34485), (6897, 30945), (9405, 22693), (10315, 20691), (11495, 18567)]