188892015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2999}}^1$

素因数の和:3056

約数の個数: 64

約数和(自身を含む): 362880000

約数和(自身を除く): 173987985

約数列:

[1, 3, 5, 13, 15, 17, 19, 39, 51, 57, 65, 85, 95, 195, 221, 247, 255, 285, 323, 663, 741, 969, 1105, 1235, 1615, 2999, 3315, 3705, 4199, 4845, 8997, 12597, 14995, 20995, 38987, 44985, 50983, 56981, 62985, 116961, 152949, 170943, 194935, 254915, 284905, 584805, 662779, 740753, 764745, 854715, 968677, 1988337, 2222259, 2906031, 3313895, 3703765, 4843385, 9941685, 11111295, 12592801, 14530155, 37778403, 62964005, 188892015]

約数ペア:

[(1, 188892015), (3, 62964005), (5, 37778403), (13, 14530155), (15, 12592801), (17, 11111295), (19, 9941685), (39, 4843385), (51, 3703765), (57, 3313895), (65, 2906031), (85, 2222259), (95, 1988337), (195, 968677), (221, 854715), (247, 764745), (255, 740753), (285, 662779), (323, 584805), (663, 284905), (741, 254915), (969, 194935), (1105, 170943), (1235, 152949), (1615, 116961), (2999, 62985), (3315, 56981), (3705, 50983), (4199, 44985), (4845, 38987), (8997, 20995), (12597, 14995)]