25140213

素因数分解:

$3^4\times 7^1\times {\mathrm{101}}^1\times {\mathrm{439}}^1$

素因数の和:559

約数の個数: 40

約数和(自身を含む): 43443840

約数和(自身を除く): 18303627

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 101, 189, 303, 439, 567, 707, 909, 1317, 2121, 2727, 3073, 3951, 6363, 8181, 9219, 11853, 19089, 27657, 35559, 44339, 57267, 82971, 133017, 248913, 310373, 399051, 931119, 1197153, 2793357, 3591459, 8380071, 25140213]

約数ペア:

[(1, 25140213), (3, 8380071), (7, 3591459), (9, 2793357), (21, 1197153), (27, 931119), (63, 399051), (81, 310373), (101, 248913), (189, 133017), (303, 82971), (439, 57267), (567, 44339), (707, 35559), (909, 27657), (1317, 19089), (2121, 11853), (2727, 9219), (3073, 8181), (3951, 6363)]