2021189787

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{1259}}^1\times {\mathrm{1607}}^1$

素因数の和:2912

約数の個数: 32

約数和(自身を含む): 3079641600

約数和(自身を除く): 1058451813

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 1259, 1607, 3777, 4821, 11331, 14463, 33993, 43389, 46583, 59459, 139749, 178377, 419247, 535131, 1257741, 1605393, 2023213, 6069639, 18208917, 54626751, 74858881, 224576643, 673729929, 2021189787]

約数ペア:

[(1, 2021189787), (3, 673729929), (9, 224576643), (27, 74858881), (37, 54626751), (111, 18208917), (333, 6069639), (999, 2023213), (1259, 1605393), (1607, 1257741), (3777, 535131), (4821, 419247), (11331, 178377), (14463, 139749), (33993, 59459), (43389, 46583)]