213424545

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{6389}}^1$

素因数の和:6545

約数の個数: 32

約数和(自身を含む): 364383360

約数和(自身を除く): 150958815

約数列:

[1, 3, 5, 15, 17, 51, 85, 131, 255, 393, 655, 1965, 2227, 6389, 6681, 11135, 19167, 31945, 33405, 95835, 108613, 325839, 543065, 836959, 1629195, 2510877, 4184795, 12554385, 14228303, 42684909, 71141515, 213424545]

約数ペア:

[(1, 213424545), (3, 71141515), (5, 42684909), (15, 14228303), (17, 12554385), (51, 4184795), (85, 2510877), (131, 1629195), (255, 836959), (393, 543065), (655, 325839), (1965, 108613), (2227, 95835), (6389, 33405), (6681, 31945), (11135, 19167)]