393641547

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{1213}}^1$

素因数の和:1439

約数の個数: 32

約数和(自身を含む): 580039488

約数和(自身を除く): 186397941

約数列:

[1, 3, 13, 39, 53, 157, 159, 471, 689, 1213, 2041, 2067, 3639, 6123, 8321, 15769, 24963, 47307, 64289, 108173, 190441, 192867, 324519, 571323, 835757, 2475733, 2507271, 7427199, 10093373, 30280119, 131213849, 393641547]

約数ペア:

[(1, 393641547), (3, 131213849), (13, 30280119), (39, 10093373), (53, 7427199), (157, 2507271), (159, 2475733), (471, 835757), (689, 571323), (1213, 324519), (2041, 192867), (2067, 190441), (3639, 108173), (6123, 64289), (8321, 47307), (15769, 24963)]