81635145

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{2801}}^1$

素因数の和:2905

約数の個数: 32

約数和(自身を含む): 137185920

約数和(自身を除く): 55550775

約数列:

[1, 3, 5, 15, 29, 67, 87, 145, 201, 335, 435, 1005, 1943, 2801, 5829, 8403, 9715, 14005, 29145, 42015, 81229, 187667, 243687, 406145, 563001, 938335, 1218435, 2815005, 5442343, 16327029, 27211715, 81635145]

約数ペア:

[(1, 81635145), (3, 27211715), (5, 16327029), (15, 5442343), (29, 2815005), (67, 1218435), (87, 938335), (145, 563001), (201, 406145), (335, 243687), (435, 187667), (1005, 81229), (1943, 42015), (2801, 29145), (5829, 14005), (8403, 9715)]