2574195

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 4553472

約数和(自身を除く): 1979277

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 307, 559, 645, 921, 1535, 1677, 2795, 3991, 4605, 8385, 11973, 13201, 19955, 39603, 59865, 66005, 171613, 198015, 514839, 858065, 2574195]

約数ペア:

[(1, 2574195), (3, 858065), (5, 514839), (13, 198015), (15, 171613), (39, 66005), (43, 59865), (65, 39603), (129, 19955), (195, 13201), (215, 11973), (307, 8385), (559, 4605), (645, 3991), (921, 2795), (1535, 1677)]