402531339

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{2153}}^1$

素因数の和:2499

約数の個数: 32

約数和(自身を含む): 636894720

約数和(自身を除く): 234363381

約数列:

[1, 3, 7, 21, 29, 87, 203, 307, 609, 921, 2149, 2153, 6447, 6459, 8903, 15071, 26709, 45213, 62321, 62437, 186963, 187311, 437059, 660971, 1311177, 1982913, 4626797, 13880391, 19168159, 57504477, 134177113, 402531339]

約数ペア:

[(1, 402531339), (3, 134177113), (7, 57504477), (21, 19168159), (29, 13880391), (87, 4626797), (203, 1982913), (307, 1311177), (609, 660971), (921, 437059), (2149, 187311), (2153, 186963), (6447, 62437), (6459, 62321), (8903, 45213), (15071, 26709)]