143804913

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{367}}^1\times {\mathrm{397}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 224968704

約数和(自身を除く): 81163791

約数列:

[1, 3, 7, 21, 47, 141, 329, 367, 397, 987, 1101, 1191, 2569, 2779, 7707, 8337, 17249, 18659, 51747, 55977, 120743, 130613, 145699, 362229, 391839, 437097, 1019893, 3059679, 6847853, 20543559, 47934971, 143804913]

約数ペア:

[(1, 143804913), (3, 47934971), (7, 20543559), (21, 6847853), (47, 3059679), (141, 1019893), (329, 437097), (367, 391839), (397, 362229), (987, 145699), (1101, 130613), (1191, 120743), (2569, 55977), (2779, 51747), (7707, 18659), (8337, 17249)]