15691535979

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1\times {\mathrm{617}}^1$

素因数の和:1196

約数の個数: 64

約数和(自身を含む): 24997496832

約数和(自身を除く): 9305960853

約数列:

[1, 3, 7, 21, 37, 71, 111, 213, 259, 461, 497, 617, 777, 1383, 1491, 1851, 2627, 3227, 4319, 7881, 9681, 12957, 17057, 18389, 22829, 32731, 43807, 51171, 55167, 68487, 98193, 119399, 131421, 159803, 229117, 284437, 306649, 358197, 479409, 687351, 853311, 919947, 1211047, 1620859, 1991059, 3633141, 4862577, 5973177, 8477329, 10524169, 11346013, 20195027, 25431987, 31572507, 34038039, 60585081, 73669183, 141365189, 221007549, 424095567, 747215999, 2241647997, 5230511993, 15691535979]

約数ペア:

[(1, 15691535979), (3, 5230511993), (7, 2241647997), (21, 747215999), (37, 424095567), (71, 221007549), (111, 141365189), (213, 73669183), (259, 60585081), (461, 34038039), (497, 31572507), (617, 25431987), (777, 20195027), (1383, 11346013), (1491, 10524169), (1851, 8477329), (2627, 5973177), (3227, 4862577), (4319, 3633141), (7881, 1991059), (9681, 1620859), (12957, 1211047), (17057, 919947), (18389, 853311), (22829, 687351), (32731, 479409), (43807, 358197), (51171, 306649), (55167, 284437), (68487, 229117), (98193, 159803), (119399, 131421)]