405671679

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{653}}^1$

素因数の和:861

約数の個数: 64

約数和(自身を含む): 728294400

約数和(自身を除く): 322622721

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 173, 189, 399, 513, 519, 653, 1197, 1211, 1557, 1959, 3287, 3591, 3633, 4571, 4671, 5877, 9861, 10899, 12407, 13713, 17631, 23009, 29583, 32697, 37221, 41139, 69027, 86849, 88749, 111663, 112969, 123417, 207081, 260547, 334989, 338907, 621243, 781641, 790783, 1016721, 2146411, 2344923, 2372349, 3050163, 6439233, 7117047, 15024877, 19317699, 21351141, 45074631, 57953097, 135223893, 405671679]

約数ペア:

[(1, 405671679), (3, 135223893), (7, 57953097), (9, 45074631), (19, 21351141), (21, 19317699), (27, 15024877), (57, 7117047), (63, 6439233), (133, 3050163), (171, 2372349), (173, 2344923), (189, 2146411), (399, 1016721), (513, 790783), (519, 781641), (653, 621243), (1197, 338907), (1211, 334989), (1557, 260547), (1959, 207081), (3287, 123417), (3591, 112969), (3633, 111663), (4571, 88749), (4671, 86849), (5877, 69027), (9861, 41139), (10899, 37221), (12407, 32697), (13713, 29583), (17631, 23009)]