42906955

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{521}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 63842688

約数和(自身を除く): 20935733

約数列:

[1, 5, 7, 13, 35, 65, 91, 181, 455, 521, 905, 1267, 2353, 2605, 3647, 6335, 6773, 11765, 16471, 18235, 33865, 47411, 82355, 94301, 237055, 471505, 660107, 1225913, 3300535, 6129565, 8581391, 42906955]

約数ペア:

[(1, 42906955), (5, 8581391), (7, 6129565), (13, 3300535), (35, 1225913), (65, 660107), (91, 471505), (181, 237055), (455, 94301), (521, 82355), (905, 47411), (1267, 33865), (2353, 18235), (2605, 16471), (3647, 11765), (6335, 6773)]