7845747

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{991}}^1$

素因数の和:1043

約数の個数: 32

約数和(自身を含む): 13332480

約数和(自身を除く): 5486733

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 991, 1131, 2639, 2973, 6937, 7917, 12883, 20811, 28739, 38649, 86217, 90181, 201173, 270543, 373607, 603519, 1120821, 2615249, 7845747]

約数ペア:

[(1, 7845747), (3, 2615249), (7, 1120821), (13, 603519), (21, 373607), (29, 270543), (39, 201173), (87, 90181), (91, 86217), (203, 38649), (273, 28739), (377, 20811), (609, 12883), (991, 7917), (1131, 6937), (2639, 2973)]