251017623

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{503}}^1$

素因数の和:677

約数の個数: 40

約数和(自身を含む): 385662816

約数和(自身を除く): 134645193

約数列:

[1, 3, 9, 27, 61, 81, 101, 183, 303, 503, 549, 909, 1509, 1647, 2727, 4527, 4941, 6161, 8181, 13581, 18483, 30683, 40743, 50803, 55449, 92049, 152409, 166347, 276147, 457227, 499041, 828441, 1371681, 2485323, 3098983, 4115043, 9296949, 27890847, 83672541, 251017623]

約数ペア:

[(1, 251017623), (3, 83672541), (9, 27890847), (27, 9296949), (61, 4115043), (81, 3098983), (101, 2485323), (183, 1371681), (303, 828441), (503, 499041), (549, 457227), (909, 276147), (1509, 166347), (1647, 152409), (2727, 92049), (4527, 55449), (4941, 50803), (6161, 40743), (8181, 30683), (13581, 18483)]