2051225505

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{310087}}^1$

素因数の和:310115

約数の個数: 48

約数和(自身を含む): 4242003840

約数和(自身を除く): 2190778335

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 441, 735, 945, 1323, 2205, 6615, 310087, 930261, 1550435, 2170609, 2790783, 4651305, 6511827, 8372349, 10853045, 13953915, 15194263, 19535481, 32559135, 41861745, 45582789, 58606443, 75971315, 97677405, 136748367, 227913945, 293032215, 410245101, 683741835, 2051225505]

約数ペア:

[(1, 2051225505), (3, 683741835), (5, 410245101), (7, 293032215), (9, 227913945), (15, 136748367), (21, 97677405), (27, 75971315), (35, 58606443), (45, 45582789), (49, 41861745), (63, 32559135), (105, 19535481), (135, 15194263), (147, 13953915), (189, 10853045), (245, 8372349), (315, 6511827), (441, 4651305), (735, 2790783), (945, 2170609), (1323, 1550435), (2205, 930261), (6615, 310087)]