28404717

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{443}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 43476480

約数和(自身を除く): 15071763

約数列:

[1, 3, 11, 29, 33, 67, 87, 201, 319, 443, 737, 957, 1329, 1943, 2211, 4873, 5829, 12847, 14619, 21373, 29681, 38541, 64119, 89043, 141317, 326491, 423951, 860749, 979473, 2582247, 9468239, 28404717]

約数ペア:

[(1, 28404717), (3, 9468239), (11, 2582247), (29, 979473), (33, 860749), (67, 423951), (87, 326491), (201, 141317), (319, 89043), (443, 64119), (737, 38541), (957, 29681), (1329, 21373), (1943, 14619), (2211, 12847), (4873, 5829)]