31309335

素因数分解:

$3^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 57212064

約数和(自身を除く): 25902729

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 81, 135, 219, 243, 353, 365, 405, 657, 1059, 1095, 1215, 1765, 1971, 3177, 3285, 5295, 5913, 9531, 9855, 15885, 17739, 25769, 28593, 29565, 47655, 77307, 85779, 88695, 128845, 142965, 231921, 386535, 428895, 695763, 1159605, 2087289, 3478815, 6261867, 10436445, 31309335]

約数ペア:

[(1, 31309335), (3, 10436445), (5, 6261867), (9, 3478815), (15, 2087289), (27, 1159605), (45, 695763), (73, 428895), (81, 386535), (135, 231921), (219, 142965), (243, 128845), (353, 88695), (365, 85779), (405, 77307), (657, 47655), (1059, 29565), (1095, 28593), (1215, 25769), (1765, 17739), (1971, 15885), (3177, 9855), (3285, 9531), (5295, 5913)]