64743189

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{269}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 101018880

約数和(自身を除く): 36275691

約数列:

[1, 3, 7, 21, 73, 157, 219, 269, 471, 511, 807, 1099, 1533, 1883, 3297, 5649, 11461, 19637, 34383, 42233, 58911, 80227, 126699, 137459, 240681, 295631, 412377, 886893, 3083009, 9249027, 21581063, 64743189]

約数ペア:

[(1, 64743189), (3, 21581063), (7, 9249027), (21, 3083009), (73, 886893), (157, 412377), (219, 295631), (269, 240681), (471, 137459), (511, 126699), (807, 80227), (1099, 58911), (1533, 42233), (1883, 34383), (3297, 19637), (5649, 11461)]