15001203

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 25280640

約数和(自身を除く): 10279437

約数列:

[1, 3, 7, 19, 21, 41, 49, 57, 123, 131, 133, 147, 287, 393, 399, 779, 861, 917, 931, 2009, 2337, 2489, 2751, 2793, 5371, 5453, 6027, 6419, 7467, 16113, 16359, 17423, 19257, 37597, 38171, 52269, 102049, 112791, 114513, 121961, 263179, 306147, 365883, 714343, 789537, 2143029, 5000401, 15001203]

約数ペア:

[(1, 15001203), (3, 5000401), (7, 2143029), (19, 789537), (21, 714343), (41, 365883), (49, 306147), (57, 263179), (123, 121961), (131, 114513), (133, 112791), (147, 102049), (287, 52269), (393, 38171), (399, 37597), (779, 19257), (861, 17423), (917, 16359), (931, 16113), (2009, 7467), (2337, 6419), (2489, 6027), (2751, 5453), (2793, 5371)]