888988365

素因数分解:

$3^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:432

約数の個数: 80

約数和(自身を含む): 1632698496

約数和(自身を除く): 743710131

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 101, 103, 135, 211, 303, 309, 405, 505, 515, 633, 909, 927, 1055, 1515, 1545, 1899, 2727, 2781, 3165, 4545, 4635, 5697, 8181, 8343, 9495, 10403, 13635, 13905, 17091, 21311, 21733, 28485, 31209, 40905, 41715, 52015, 63933, 65199, 85455, 93627, 106555, 108665, 156045, 191799, 195597, 280881, 319665, 325995, 468135, 575397, 586791, 842643, 958995, 977985, 1404405, 1726191, 1760373, 2195033, 2876985, 2933955, 4213215, 6585099, 8630955, 8801865, 10975165, 19755297, 32925495, 59265891, 98776485, 177797673, 296329455, 888988365]

約数ペア:

[(1, 888988365), (3, 296329455), (5, 177797673), (9, 98776485), (15, 59265891), (27, 32925495), (45, 19755297), (81, 10975165), (101, 8801865), (103, 8630955), (135, 6585099), (211, 4213215), (303, 2933955), (309, 2876985), (405, 2195033), (505, 1760373), (515, 1726191), (633, 1404405), (909, 977985), (927, 958995), (1055, 842643), (1515, 586791), (1545, 575397), (1899, 468135), (2727, 325995), (2781, 319665), (3165, 280881), (4545, 195597), (4635, 191799), (5697, 156045), (8181, 108665), (8343, 106555), (9495, 93627), (10403, 85455), (13635, 65199), (13905, 63933), (17091, 52015), (21311, 41715), (21733, 40905), (28485, 31209)]