71813775

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1427}}^1$

素因数の和:1512

約数の個数: 48

約数和(自身を含む): 131741568

約数和(自身を除く): 59927793

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 61, 75, 165, 183, 275, 305, 671, 825, 915, 1427, 1525, 2013, 3355, 4281, 4575, 7135, 10065, 15697, 16775, 21405, 35675, 47091, 50325, 78485, 87047, 107025, 235455, 261141, 392425, 435235, 957517, 1177275, 1305705, 2176175, 2872551, 4787585, 6528525, 14362755, 23937925, 71813775]

約数ペア:

[(1, 71813775), (3, 23937925), (5, 14362755), (11, 6528525), (15, 4787585), (25, 2872551), (33, 2176175), (55, 1305705), (61, 1177275), (75, 957517), (165, 435235), (183, 392425), (275, 261141), (305, 235455), (671, 107025), (825, 87047), (915, 78485), (1427, 50325), (1525, 47091), (2013, 35675), (3355, 21405), (4281, 16775), (4575, 15697), (7135, 10065)]