201489519

素因数分解:

$3^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{2543}}^1$

素因数の和:2585

約数の個数: 40

約数和(自身を含む): 342035712

約数和(自身を除く): 140546193

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 343, 539, 1029, 1617, 2401, 2543, 3773, 7203, 7629, 11319, 17801, 26411, 27973, 53403, 79233, 83919, 124607, 195811, 373821, 587433, 872249, 1370677, 2616747, 4112031, 6105743, 9594739, 18317229, 28784217, 67163173, 201489519]

約数ペア:

[(1, 201489519), (3, 67163173), (7, 28784217), (11, 18317229), (21, 9594739), (33, 6105743), (49, 4112031), (77, 2616747), (147, 1370677), (231, 872249), (343, 587433), (539, 373821), (1029, 195811), (1617, 124607), (2401, 83919), (2543, 79233), (3773, 53403), (7203, 27973), (7629, 26411), (11319, 17801)]