12920996835

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{27427}}^1$

素因数の和:27505

約数の個数: 72

約数和(自身を含む): 24453159120

約数和(自身を除く): 11532162285

約数列:

[1, 3, 5, 9, 15, 19, 29, 45, 57, 87, 95, 145, 171, 261, 285, 361, 435, 551, 855, 1083, 1305, 1653, 1805, 2755, 3249, 4959, 5415, 8265, 10469, 16245, 24795, 27427, 31407, 52345, 82281, 94221, 137135, 157035, 246843, 411405, 471105, 521113, 795383, 1234215, 1563339, 2386149, 2605565, 3976915, 4690017, 7158447, 7816695, 9901147, 11930745, 15112277, 23450085, 29703441, 35792235, 45336831, 49505735, 75561385, 89110323, 136010493, 148517205, 226684155, 287133263, 445551615, 680052465, 861399789, 1435666315, 2584199367, 4306998945, 12920996835]

約数ペア:

[(1, 12920996835), (3, 4306998945), (5, 2584199367), (9, 1435666315), (15, 861399789), (19, 680052465), (29, 445551615), (45, 287133263), (57, 226684155), (87, 148517205), (95, 136010493), (145, 89110323), (171, 75561385), (261, 49505735), (285, 45336831), (361, 35792235), (435, 29703441), (551, 23450085), (855, 15112277), (1083, 11930745), (1305, 9901147), (1653, 7816695), (1805, 7158447), (2755, 4690017), (3249, 3976915), (4959, 2605565), (5415, 2386149), (8265, 1563339), (10469, 1234215), (16245, 795383), (24795, 521113), (27427, 471105), (31407, 411405), (52345, 246843), (82281, 157035), (94221, 137135)]