38972655

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 70424640

約数和(自身を除く): 31451985

約数列:

[1, 3, 5, 9, 15, 37, 45, 89, 111, 185, 263, 267, 333, 445, 555, 789, 801, 1315, 1335, 1665, 2367, 3293, 3945, 4005, 9731, 9879, 11835, 16465, 23407, 29193, 29637, 48655, 49395, 70221, 87579, 117035, 145965, 148185, 210663, 351105, 437895, 866059, 1053315, 2598177, 4330295, 7794531, 12990885, 38972655]

約数ペア:

[(1, 38972655), (3, 12990885), (5, 7794531), (9, 4330295), (15, 2598177), (37, 1053315), (45, 866059), (89, 437895), (111, 351105), (185, 210663), (263, 148185), (267, 145965), (333, 117035), (445, 87579), (555, 70221), (789, 49395), (801, 48655), (1315, 29637), (1335, 29193), (1665, 23407), (2367, 16465), (3293, 11835), (3945, 9879), (4005, 9731)]