71872725

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1627}}^1$

素因数の和:1690

約数の個数: 48

約数和(自身を含む): 129198080

約数和(自身を除く): 57325355

約数列:

[1, 3, 5, 15, 19, 25, 31, 57, 75, 93, 95, 155, 285, 465, 475, 589, 775, 1425, 1627, 1767, 2325, 2945, 4881, 8135, 8835, 14725, 24405, 30913, 40675, 44175, 50437, 92739, 122025, 151311, 154565, 252185, 463695, 756555, 772825, 958303, 1260925, 2318475, 2874909, 3782775, 4791515, 14374545, 23957575, 71872725]

約数ペア:

[(1, 71872725), (3, 23957575), (5, 14374545), (15, 4791515), (19, 3782775), (25, 2874909), (31, 2318475), (57, 1260925), (75, 958303), (93, 772825), (95, 756555), (155, 463695), (285, 252185), (465, 154565), (475, 151311), (589, 122025), (775, 92739), (1425, 50437), (1627, 44175), (1767, 40675), (2325, 30913), (2945, 24405), (4881, 14725), (8135, 8835)]