223580973

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{101}}^1$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 392654304

約数和(自身を除く): 169073331

約数列:

[1, 3, 7, 11, 21, 33, 37, 49, 77, 101, 111, 147, 231, 259, 303, 407, 539, 707, 777, 1111, 1221, 1369, 1617, 1813, 2121, 2849, 3333, 3737, 4107, 4949, 5439, 7777, 8547, 9583, 11211, 14847, 15059, 19943, 23331, 26159, 28749, 41107, 45177, 54439, 59829, 67081, 78477, 105413, 123321, 138269, 163317, 183113, 201243, 287749, 316239, 414807, 549339, 737891, 863247, 967883, 1520959, 2014243, 2213673, 2903649, 4562877, 6042729, 6775181, 10646713, 20325543, 31940139, 74526991, 223580973]

約数ペア:

[(1, 223580973), (3, 74526991), (7, 31940139), (11, 20325543), (21, 10646713), (33, 6775181), (37, 6042729), (49, 4562877), (77, 2903649), (101, 2213673), (111, 2014243), (147, 1520959), (231, 967883), (259, 863247), (303, 737891), (407, 549339), (539, 414807), (707, 316239), (777, 287749), (1111, 201243), (1221, 183113), (1369, 163317), (1617, 138269), (1813, 123321), (2121, 105413), (2849, 78477), (3333, 67081), (3737, 59829), (4107, 54439), (4949, 45177), (5439, 41107), (7777, 28749), (8547, 26159), (9583, 23331), (11211, 19943), (14847, 15059)]