30861945

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7883}}^1$

素因数の和:7926

約数の個数: 32

約数和(自身を含む): 56764800

約数和(自身を除く): 25902855

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 7883, 23649, 39415, 70947, 118245, 212841, 228607, 354735, 685821, 1064205, 1143035, 2057463, 3429105, 6172389, 10287315, 30861945]

約数ペア:

[(1, 30861945), (3, 10287315), (5, 6172389), (9, 3429105), (15, 2057463), (27, 1143035), (29, 1064205), (45, 685821), (87, 354735), (135, 228607), (145, 212841), (261, 118245), (435, 70947), (783, 39415), (1305, 23649), (3915, 7883)]