67720545

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{457}}^1$

素因数の和:594

約数の個数: 48

約数和(自身を含む): 122176080

約数和(自身を除く): 54455535

約数列:

[1, 3, 5, 9, 15, 37, 45, 89, 111, 185, 267, 333, 445, 457, 555, 801, 1335, 1371, 1665, 2285, 3293, 4005, 4113, 6855, 9879, 16465, 16909, 20565, 29637, 40673, 49395, 50727, 84545, 122019, 148185, 152181, 203365, 253635, 366057, 610095, 760905, 1504901, 1830285, 4514703, 7524505, 13544109, 22573515, 67720545]

約数ペア:

[(1, 67720545), (3, 22573515), (5, 13544109), (9, 7524505), (15, 4514703), (37, 1830285), (45, 1504901), (89, 760905), (111, 610095), (185, 366057), (267, 253635), (333, 203365), (445, 152181), (457, 148185), (555, 122019), (801, 84545), (1335, 50727), (1371, 49395), (1665, 40673), (2285, 29637), (3293, 20565), (4005, 16909), (4113, 16465), (6855, 9879)]