900978045

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{571}}^1$

素因数の和:794

約数の個数: 64

約数和(自身を含む): 1609141248

約数和(自身を除く): 708163203

約数列:

[1, 3, 5, 11, 15, 33, 55, 73, 131, 165, 219, 365, 393, 571, 655, 803, 1095, 1441, 1713, 1965, 2409, 2855, 4015, 4323, 6281, 7205, 8565, 9563, 12045, 18843, 21615, 28689, 31405, 41683, 47815, 74801, 94215, 105193, 125049, 143445, 208415, 224403, 315579, 374005, 458513, 525965, 625245, 822811, 1122015, 1375539, 1577895, 2292565, 2468433, 4114055, 5460473, 6877695, 12342165, 16381419, 27302365, 60065203, 81907095, 180195609, 300326015, 900978045]

約数ペア:

[(1, 900978045), (3, 300326015), (5, 180195609), (11, 81907095), (15, 60065203), (33, 27302365), (55, 16381419), (73, 12342165), (131, 6877695), (165, 5460473), (219, 4114055), (365, 2468433), (393, 2292565), (571, 1577895), (655, 1375539), (803, 1122015), (1095, 822811), (1441, 625245), (1713, 525965), (1965, 458513), (2409, 374005), (2855, 315579), (4015, 224403), (4323, 208415), (6281, 143445), (7205, 125049), (8565, 105193), (9563, 94215), (12045, 74801), (18843, 47815), (21615, 41683), (28689, 31405)]