61371615

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 111974400

約数和(自身を除く): 50602785

約数列:

[1, 3, 5, 15, 17, 19, 51, 53, 57, 85, 95, 159, 239, 255, 265, 285, 323, 717, 795, 901, 969, 1007, 1195, 1615, 2703, 3021, 3585, 4063, 4505, 4541, 4845, 5035, 12189, 12667, 13515, 13623, 15105, 17119, 20315, 22705, 38001, 51357, 60945, 63335, 68115, 77197, 85595, 190005, 215339, 231591, 240673, 256785, 385985, 646017, 722019, 1076695, 1157955, 1203365, 3230085, 3610095, 4091441, 12274323, 20457205, 61371615]

約数ペア:

[(1, 61371615), (3, 20457205), (5, 12274323), (15, 4091441), (17, 3610095), (19, 3230085), (51, 1203365), (53, 1157955), (57, 1076695), (85, 722019), (95, 646017), (159, 385985), (239, 256785), (255, 240673), (265, 231591), (285, 215339), (323, 190005), (717, 85595), (795, 77197), (901, 68115), (969, 63335), (1007, 60945), (1195, 51357), (1615, 38001), (2703, 22705), (3021, 20315), (3585, 17119), (4063, 15105), (4505, 13623), (4541, 13515), (4845, 12667), (5035, 12189)]