81267786

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1283}}^1$

素因数の和:1337

約数の個数: 80

約数和(自身を含む): 201351744

約数和(自身を除く): 120083958

約数列:

[1, 2, 3, 6, 9, 17, 18, 23, 27, 34, 46, 51, 54, 69, 81, 102, 138, 153, 162, 207, 306, 391, 414, 459, 621, 782, 918, 1173, 1242, 1283, 1377, 1863, 2346, 2566, 2754, 3519, 3726, 3849, 7038, 7698, 10557, 11547, 21114, 21811, 23094, 29509, 31671, 34641, 43622, 59018, 63342, 65433, 69282, 88527, 103923, 130866, 177054, 196299, 207846, 265581, 392598, 501653, 531162, 588897, 796743, 1003306, 1177794, 1504959, 1593486, 1766691, 2390229, 3009918, 3533382, 4514877, 4780458, 9029754, 13544631, 27089262, 40633893, 81267786]

約数ペア:

[(1, 81267786), (2, 40633893), (3, 27089262), (6, 13544631), (9, 9029754), (17, 4780458), (18, 4514877), (23, 3533382), (27, 3009918), (34, 2390229), (46, 1766691), (51, 1593486), (54, 1504959), (69, 1177794), (81, 1003306), (102, 796743), (138, 588897), (153, 531162), (162, 501653), (207, 392598), (306, 265581), (391, 207846), (414, 196299), (459, 177054), (621, 130866), (782, 103923), (918, 88527), (1173, 69282), (1242, 65433), (1283, 63342), (1377, 59018), (1863, 43622), (2346, 34641), (2566, 31671), (2754, 29509), (3519, 23094), (3726, 21811), (3849, 21114), (7038, 11547), (7698, 10557)]