201920301

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1327}}^1$

素因数の和:1426

約数の個数: 48

約数和(自身を含む): 335612160

約数和(自身を除く): 133691859

約数列:

[1, 3, 9, 11, 29, 33, 53, 87, 99, 159, 261, 319, 477, 583, 957, 1327, 1537, 1749, 2871, 3981, 4611, 5247, 11943, 13833, 14597, 16907, 38483, 43791, 50721, 70331, 115449, 131373, 152163, 210993, 346347, 423313, 632979, 773641, 1269939, 2039599, 2320923, 3809817, 6118797, 6962769, 18356391, 22435589, 67306767, 201920301]

約数ペア:

[(1, 201920301), (3, 67306767), (9, 22435589), (11, 18356391), (29, 6962769), (33, 6118797), (53, 3809817), (87, 2320923), (99, 2039599), (159, 1269939), (261, 773641), (319, 632979), (477, 423313), (583, 346347), (957, 210993), (1327, 152163), (1537, 131373), (1749, 115449), (2871, 70331), (3981, 50721), (4611, 43791), (5247, 38483), (11943, 16907), (13833, 14597)]