201993351

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{1597}}^1$

素因数の和:1943

約数の個数: 32

約数和(自身を含む): 325224960

約数和(自身を除く): 123231609

約数列:

[1, 3, 7, 19, 21, 57, 133, 317, 399, 951, 1597, 2219, 4791, 6023, 6657, 11179, 18069, 30343, 33537, 42161, 91029, 126483, 212401, 506249, 637203, 1518747, 3543743, 9618731, 10631229, 28856193, 67331117, 201993351]

約数ペア:

[(1, 201993351), (3, 67331117), (7, 28856193), (19, 10631229), (21, 9618731), (57, 3543743), (133, 1518747), (317, 637203), (399, 506249), (951, 212401), (1597, 126483), (2219, 91029), (4791, 42161), (6023, 33537), (6657, 30343), (11179, 18069)]