83915685

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2003}}^1$

素因数の和:2047

約数の個数: 72

約数和(自身を含む): 178195680

約数和(自身を除く): 94279995

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 49, 57, 63, 95, 105, 133, 147, 171, 245, 285, 315, 399, 441, 665, 735, 855, 931, 1197, 1995, 2003, 2205, 2793, 4655, 5985, 6009, 8379, 10015, 13965, 14021, 18027, 30045, 38057, 41895, 42063, 70105, 90135, 98147, 114171, 126189, 190285, 210315, 266399, 294441, 342513, 490735, 570855, 630945, 799197, 883323, 1331995, 1472205, 1712565, 1864793, 2397591, 3995985, 4416615, 5594379, 9323965, 11987955, 16783137, 27971895, 83915685]

約数ペア:

[(1, 83915685), (3, 27971895), (5, 16783137), (7, 11987955), (9, 9323965), (15, 5594379), (19, 4416615), (21, 3995985), (35, 2397591), (45, 1864793), (49, 1712565), (57, 1472205), (63, 1331995), (95, 883323), (105, 799197), (133, 630945), (147, 570855), (171, 490735), (245, 342513), (285, 294441), (315, 266399), (399, 210315), (441, 190285), (665, 126189), (735, 114171), (855, 98147), (931, 90135), (1197, 70105), (1995, 42063), (2003, 41895), (2205, 38057), (2793, 30045), (4655, 18027), (5985, 14021), (6009, 13965), (8379, 10015)]