72440487

素因数分解:

$3^5\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1151}}^1$

素因数の和:1210

約数の個数: 48

約数和(自身を含む): 127475712

約数和(自身を除く): 55035225

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 189, 243, 259, 333, 567, 777, 999, 1151, 1701, 2331, 2997, 3453, 6993, 8057, 8991, 10359, 20979, 24171, 31077, 42587, 62937, 72513, 93231, 127761, 217539, 279693, 298109, 383283, 652617, 894327, 1149849, 1957851, 2682981, 3449547, 8048943, 10348641, 24146829, 72440487]

約数ペア:

[(1, 72440487), (3, 24146829), (7, 10348641), (9, 8048943), (21, 3449547), (27, 2682981), (37, 1957851), (63, 1149849), (81, 894327), (111, 652617), (189, 383283), (243, 298109), (259, 279693), (333, 217539), (567, 127761), (777, 93231), (999, 72513), (1151, 62937), (1701, 42587), (2331, 31077), (2997, 24171), (3453, 20979), (6993, 10359), (8057, 8991)]