30994509

素因数分解:

$3^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{331}}^1$

素因数の和:375

約数の個数: 40

約数和(自身を含む): 52076192

約数和(自身を除く): 21081683

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 331, 343, 637, 993, 1029, 1911, 2317, 2401, 4303, 4459, 6951, 7203, 12909, 13377, 16219, 30121, 31213, 48657, 90363, 93639, 113533, 210847, 340599, 632541, 794731, 1475929, 2384193, 4427787, 10331503, 30994509]

約数ペア:

[(1, 30994509), (3, 10331503), (7, 4427787), (13, 2384193), (21, 1475929), (39, 794731), (49, 632541), (91, 340599), (147, 210847), (273, 113533), (331, 93639), (343, 90363), (637, 48657), (993, 31213), (1029, 30121), (1911, 16219), (2317, 13377), (2401, 12909), (4303, 7203), (4459, 6951)]