127987455

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{1021}}^1$

素因数の和:1227

約数の個数: 32

約数和(自身を含む): 209861568

約数和(自身を除く): 81874113

約数列:

[1, 3, 5, 15, 61, 137, 183, 305, 411, 685, 915, 1021, 2055, 3063, 5105, 8357, 15315, 25071, 41785, 62281, 125355, 139877, 186843, 311405, 419631, 699385, 934215, 2098155, 8532497, 25597491, 42662485, 127987455]

約数ペア:

[(1, 127987455), (3, 42662485), (5, 25597491), (15, 8532497), (61, 2098155), (137, 934215), (183, 699385), (305, 419631), (411, 311405), (685, 186843), (915, 139877), (1021, 125355), (2055, 62281), (3063, 41785), (5105, 25071), (8357, 15315)]