201220299

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{457}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 345808320

約数和(自身を除く): 144588021

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 241, 261, 457, 609, 723, 1371, 1687, 1827, 2169, 3199, 4113, 5061, 6989, 9597, 13253, 15183, 20967, 28791, 39759, 48923, 62901, 92771, 110137, 119277, 146769, 278313, 330411, 440307, 770959, 834939, 991233, 2312877, 3193973, 6938631, 9581919, 22357811, 28745757, 67073433, 201220299]

約数ペア:

[(1, 201220299), (3, 67073433), (7, 28745757), (9, 22357811), (21, 9581919), (29, 6938631), (63, 3193973), (87, 2312877), (203, 991233), (241, 834939), (261, 770959), (457, 440307), (609, 330411), (723, 278313), (1371, 146769), (1687, 119277), (1827, 110137), (2169, 92771), (3199, 62901), (4113, 48923), (5061, 39759), (6989, 28791), (9597, 20967), (13253, 15183)]