2015091987

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{491}}^1\times {\mathrm{809}}^1$

素因数の和:1411

約数の個数: 32

約数和(自身を含む): 2869344000

約数和(自身を除く): 854252013

約数列:

[1, 3, 19, 57, 89, 267, 491, 809, 1473, 1691, 2427, 5073, 9329, 15371, 27987, 43699, 46113, 72001, 131097, 216003, 397219, 830281, 1191657, 1368019, 2490843, 4104057, 7547161, 22641483, 35352491, 106057473, 671697329, 2015091987]

約数ペア:

[(1, 2015091987), (3, 671697329), (19, 106057473), (57, 35352491), (89, 22641483), (267, 7547161), (491, 4104057), (809, 2490843), (1473, 1368019), (1691, 1191657), (2427, 830281), (5073, 397219), (9329, 216003), (15371, 131097), (27987, 72001), (43699, 46113)]