25601985

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 46208448

約数和(自身を除く): 20606463

約数列:

[1, 3, 5, 9, 15, 43, 45, 101, 129, 131, 215, 303, 387, 393, 505, 645, 655, 909, 1179, 1515, 1935, 1965, 4343, 4545, 5633, 5895, 13029, 13231, 16899, 21715, 28165, 39087, 39693, 50697, 65145, 66155, 84495, 119079, 195435, 198465, 253485, 568933, 595395, 1706799, 2844665, 5120397, 8533995, 25601985]

約数ペア:

[(1, 25601985), (3, 8533995), (5, 5120397), (9, 2844665), (15, 1706799), (43, 595395), (45, 568933), (101, 253485), (129, 198465), (131, 195435), (215, 119079), (303, 84495), (387, 66155), (393, 65145), (505, 50697), (645, 39693), (655, 39087), (909, 28165), (1179, 21715), (1515, 16899), (1935, 13231), (1965, 13029), (4343, 5895), (4545, 5633)]