420748503

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{3533}}^1$

素因数の和:3703

約数の個数: 32

約数和(自身を含む): 659529216

約数和(自身を除く): 238780713

約数列:

[1, 3, 7, 21, 53, 107, 159, 321, 371, 749, 1113, 2247, 3533, 5671, 10599, 17013, 24731, 39697, 74193, 119091, 187249, 378031, 561747, 1134093, 1310743, 2646217, 3932229, 7938651, 20035643, 60106929, 140249501, 420748503]

約数ペア:

[(1, 420748503), (3, 140249501), (7, 60106929), (21, 20035643), (53, 7938651), (107, 3932229), (159, 2646217), (321, 1310743), (371, 1134093), (749, 561747), (1113, 378031), (2247, 187249), (3533, 119091), (5671, 74193), (10599, 39697), (17013, 24731)]