16218279

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 31104000

約数和(自身を除く): 14885721

約数列:

[1, 3, 7, 9, 11, 21, 27, 29, 33, 63, 77, 87, 99, 189, 203, 231, 261, 269, 297, 319, 609, 693, 783, 807, 957, 1827, 1883, 2079, 2233, 2421, 2871, 2959, 5481, 5649, 6699, 7263, 7801, 8613, 8877, 16947, 20097, 20713, 23403, 26631, 50841, 54607, 60291, 62139, 70209, 79893, 85811, 163821, 186417, 210627, 257433, 491463, 559251, 600677, 772299, 1474389, 1802031, 2316897, 5406093, 16218279]

約数ペア:

[(1, 16218279), (3, 5406093), (7, 2316897), (9, 1802031), (11, 1474389), (21, 772299), (27, 600677), (29, 559251), (33, 491463), (63, 257433), (77, 210627), (87, 186417), (99, 163821), (189, 85811), (203, 79893), (231, 70209), (261, 62139), (269, 60291), (297, 54607), (319, 50841), (609, 26631), (693, 23403), (783, 20713), (807, 20097), (957, 16947), (1827, 8877), (1883, 8613), (2079, 7801), (2233, 7263), (2421, 6699), (2871, 5649), (2959, 5481)]