16468515

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:218

約数の個数: 80

約数和(自身を含む): 34871232

約数和(自身を除く): 18402717

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 37, 45, 63, 81, 105, 111, 135, 157, 185, 189, 259, 315, 333, 405, 471, 555, 567, 777, 785, 945, 999, 1099, 1295, 1413, 1665, 2331, 2355, 2835, 2997, 3297, 3885, 4239, 4995, 5495, 5809, 6993, 7065, 9891, 11655, 12717, 14985, 16485, 17427, 20979, 21195, 29045, 29673, 34965, 40663, 49455, 52281, 63585, 87135, 89019, 104895, 121989, 148365, 156843, 203315, 261405, 365967, 445095, 470529, 609945, 784215, 1097901, 1829835, 2352645, 3293703, 5489505, 16468515]

約数ペア:

[(1, 16468515), (3, 5489505), (5, 3293703), (7, 2352645), (9, 1829835), (15, 1097901), (21, 784215), (27, 609945), (35, 470529), (37, 445095), (45, 365967), (63, 261405), (81, 203315), (105, 156843), (111, 148365), (135, 121989), (157, 104895), (185, 89019), (189, 87135), (259, 63585), (315, 52281), (333, 49455), (405, 40663), (471, 34965), (555, 29673), (567, 29045), (777, 21195), (785, 20979), (945, 17427), (999, 16485), (1099, 14985), (1295, 12717), (1413, 11655), (1665, 9891), (2331, 7065), (2355, 6993), (2835, 5809), (2997, 5495), (3297, 4995), (3885, 4239)]