31019415

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 59996160

約数和(自身を除く): 28976745

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 61, 87, 105, 145, 167, 183, 203, 305, 427, 435, 501, 609, 835, 915, 1015, 1169, 1281, 1769, 2135, 2505, 3045, 3507, 4843, 5307, 5845, 6405, 8845, 10187, 12383, 14529, 17535, 24215, 26535, 30561, 33901, 37149, 50935, 61915, 71309, 72645, 101703, 152805, 169505, 185745, 213927, 295423, 356545, 508515, 886269, 1069635, 1477115, 2067961, 4431345, 6203883, 10339805, 31019415]

約数ペア:

[(1, 31019415), (3, 10339805), (5, 6203883), (7, 4431345), (15, 2067961), (21, 1477115), (29, 1069635), (35, 886269), (61, 508515), (87, 356545), (105, 295423), (145, 213927), (167, 185745), (183, 169505), (203, 152805), (305, 101703), (427, 72645), (435, 71309), (501, 61915), (609, 50935), (835, 37149), (915, 33901), (1015, 30561), (1169, 26535), (1281, 24215), (1769, 17535), (2135, 14529), (2505, 12383), (3045, 10187), (3507, 8845), (4843, 6405), (5307, 5845)]