2018808765

素因数分解:

$3^7\times 5^1\times {\mathrm{353}}^1\times {\mathrm{523}}^1$

素因数の和:902

約数の個数: 64

約数和(自身を含む): 3650561280

約数和(自身を除く): 1631752515

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 353, 405, 523, 729, 1059, 1215, 1569, 1765, 2187, 2615, 3177, 3645, 4707, 5295, 7845, 9531, 10935, 14121, 15885, 23535, 28593, 42363, 47655, 70605, 85779, 127089, 142965, 184619, 211815, 257337, 381267, 428895, 553857, 635445, 772011, 923095, 1143801, 1286685, 1661571, 1906335, 2769285, 3860055, 4984713, 5719005, 8307855, 14954139, 24923565, 44862417, 74770695, 134587251, 224312085, 403761753, 672936255, 2018808765]

約数ペア:

[(1, 2018808765), (3, 672936255), (5, 403761753), (9, 224312085), (15, 134587251), (27, 74770695), (45, 44862417), (81, 24923565), (135, 14954139), (243, 8307855), (353, 5719005), (405, 4984713), (523, 3860055), (729, 2769285), (1059, 1906335), (1215, 1661571), (1569, 1286685), (1765, 1143801), (2187, 923095), (2615, 772011), (3177, 635445), (3645, 553857), (4707, 428895), (5295, 381267), (7845, 257337), (9531, 211815), (10935, 184619), (14121, 142965), (15885, 127089), (23535, 85779), (28593, 70605), (42363, 47655)]