304886985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{2797}}^1$

素因数の和:2874

約数の個数: 48

約数和(自身を含む): 540707904

約数和(自身を除く): 235820919

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 169, 195, 215, 507, 559, 645, 845, 1677, 2535, 2795, 2797, 7267, 8385, 8391, 13985, 21801, 36335, 36361, 41955, 109005, 109083, 120271, 181805, 360813, 472693, 545415, 601355, 1418079, 1563523, 1804065, 2363465, 4690569, 7090395, 7817615, 20325799, 23452845, 60977397, 101628995, 304886985]

約数ペア:

[(1, 304886985), (3, 101628995), (5, 60977397), (13, 23452845), (15, 20325799), (39, 7817615), (43, 7090395), (65, 4690569), (129, 2363465), (169, 1804065), (195, 1563523), (215, 1418079), (507, 601355), (559, 545415), (645, 472693), (845, 360813), (1677, 181805), (2535, 120271), (2795, 109083), (2797, 109005), (7267, 41955), (8385, 36361), (8391, 36335), (13985, 21801)]