42637917

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1321}}^1$

素因数の和:1413

約数の個数: 32

約数和(自身を含む): 68532480

約数和(自身を除く): 25894563

約数列:

[1, 3, 7, 21, 29, 53, 87, 159, 203, 371, 609, 1113, 1321, 1537, 3963, 4611, 9247, 10759, 27741, 32277, 38309, 70013, 114927, 210039, 268163, 490091, 804489, 1470273, 2030377, 6091131, 14212639, 42637917]

約数ペア:

[(1, 42637917), (3, 14212639), (7, 6091131), (21, 2030377), (29, 1470273), (53, 804489), (87, 490091), (159, 268163), (203, 210039), (371, 114927), (609, 70013), (1113, 38309), (1321, 32277), (1537, 27741), (3963, 10759), (4611, 9247)]