1290645

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:106

約数の個数: 48

約数和(自身を含む): 2471040

約数和(自身を除く): 1180395

約数列:

[1, 3, 5, 9, 15, 23, 29, 43, 45, 69, 87, 115, 129, 145, 207, 215, 261, 345, 387, 435, 645, 667, 989, 1035, 1247, 1305, 1935, 2001, 2967, 3335, 3741, 4945, 6003, 6235, 8901, 10005, 11223, 14835, 18705, 28681, 30015, 44505, 56115, 86043, 143405, 258129, 430215, 1290645]

約数ペア:

[(1, 1290645), (3, 430215), (5, 258129), (9, 143405), (15, 86043), (23, 56115), (29, 44505), (43, 30015), (45, 28681), (69, 18705), (87, 14835), (115, 11223), (129, 10005), (145, 8901), (207, 6235), (215, 6003), (261, 4945), (345, 3741), (387, 3335), (435, 2967), (645, 2001), (667, 1935), (989, 1305), (1035, 1247)]