16848405

素因数分解:

$3^5\times 5^1\times 7^2\times {\mathrm{283}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 35354592

約数和(自身を除く): 18506187

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 81, 105, 135, 147, 189, 243, 245, 283, 315, 405, 441, 567, 735, 849, 945, 1215, 1323, 1415, 1701, 1981, 2205, 2547, 2835, 3969, 4245, 5943, 6615, 7641, 8505, 9905, 11907, 12735, 13867, 17829, 19845, 22923, 29715, 38205, 41601, 53487, 59535, 68769, 69335, 89145, 114615, 124803, 160461, 208005, 267435, 343845, 374409, 481383, 624015, 802305, 1123227, 1872045, 2406915, 3369681, 5616135, 16848405]

約数ペア:

[(1, 16848405), (3, 5616135), (5, 3369681), (7, 2406915), (9, 1872045), (15, 1123227), (21, 802305), (27, 624015), (35, 481383), (45, 374409), (49, 343845), (63, 267435), (81, 208005), (105, 160461), (135, 124803), (147, 114615), (189, 89145), (243, 69335), (245, 68769), (283, 59535), (315, 53487), (405, 41601), (441, 38205), (567, 29715), (735, 22923), (849, 19845), (945, 17829), (1215, 13867), (1323, 12735), (1415, 11907), (1701, 9905), (1981, 8505), (2205, 7641), (2547, 6615), (2835, 5943), (3969, 4245)]