30751785

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{631}}^1$

素因数の和:683

約数の個数: 48

約数和(自身を含む): 57790080

約数和(自身を除く): 27038295

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 361, 513, 631, 855, 1083, 1805, 1893, 2565, 3155, 3249, 5415, 5679, 9465, 9747, 11989, 16245, 17037, 28395, 35967, 48735, 59945, 85185, 107901, 179835, 227791, 323703, 539505, 683373, 1138955, 1618515, 2050119, 3416865, 6150357, 10250595, 30751785]

約数ペア:

[(1, 30751785), (3, 10250595), (5, 6150357), (9, 3416865), (15, 2050119), (19, 1618515), (27, 1138955), (45, 683373), (57, 539505), (95, 323703), (135, 227791), (171, 179835), (285, 107901), (361, 85185), (513, 59945), (631, 48735), (855, 35967), (1083, 28395), (1805, 17037), (1893, 16245), (2565, 11989), (3155, 9747), (3249, 9465), (5415, 5679)]