61547715

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 115200000

約数和(自身を除く): 53652285

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 79, 87, 135, 145, 199, 237, 261, 395, 435, 597, 711, 783, 995, 1185, 1305, 1791, 2133, 2291, 2985, 3555, 3915, 5373, 5771, 6873, 8955, 10665, 11455, 15721, 17313, 20619, 26865, 28855, 34365, 47163, 51939, 61857, 78605, 86565, 103095, 141489, 155817, 235815, 259695, 309285, 424467, 455909, 707445, 779085, 1367727, 2122335, 2279545, 4103181, 6838635, 12309543, 20515905, 61547715]

約数ペア:

[(1, 61547715), (3, 20515905), (5, 12309543), (9, 6838635), (15, 4103181), (27, 2279545), (29, 2122335), (45, 1367727), (79, 779085), (87, 707445), (135, 455909), (145, 424467), (199, 309285), (237, 259695), (261, 235815), (395, 155817), (435, 141489), (597, 103095), (711, 86565), (783, 78605), (995, 61857), (1185, 51939), (1305, 47163), (1791, 34365), (2133, 28855), (2291, 26865), (2985, 20619), (3555, 17313), (3915, 15721), (5373, 11455), (5771, 10665), (6873, 8955)]