28433601

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 49420800

約数和(自身を除く): 20987199

約数列:

[1, 3, 7, 9, 21, 29, 63, 79, 87, 197, 203, 237, 261, 553, 591, 609, 711, 1379, 1659, 1773, 1827, 2291, 4137, 4977, 5713, 6873, 12411, 15563, 16037, 17139, 20619, 39991, 46689, 48111, 51417, 108941, 119973, 140067, 144333, 326823, 359919, 451327, 980469, 1353981, 3159289, 4061943, 9477867, 28433601]

約数ペア:

[(1, 28433601), (3, 9477867), (7, 4061943), (9, 3159289), (21, 1353981), (29, 980469), (63, 451327), (79, 359919), (87, 326823), (197, 144333), (203, 140067), (237, 119973), (261, 108941), (553, 51417), (591, 48111), (609, 46689), (711, 39991), (1379, 20619), (1659, 17139), (1773, 16037), (1827, 15563), (2291, 12411), (4137, 6873), (4977, 5713)]