13778925

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 24587712

約数和(自身を除く): 10808787

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 101, 107, 255, 303, 321, 425, 505, 535, 1275, 1515, 1605, 1717, 1819, 2525, 2675, 5151, 5457, 7575, 8025, 8585, 9095, 10807, 25755, 27285, 32421, 42925, 45475, 54035, 128775, 136425, 162105, 183719, 270175, 551157, 810525, 918595, 2755785, 4592975, 13778925]

約数ペア:

[(1, 13778925), (3, 4592975), (5, 2755785), (15, 918595), (17, 810525), (25, 551157), (51, 270175), (75, 183719), (85, 162105), (101, 136425), (107, 128775), (255, 54035), (303, 45475), (321, 42925), (425, 32421), (505, 27285), (535, 25755), (1275, 10807), (1515, 9095), (1605, 8585), (1717, 8025), (1819, 7575), (2525, 5457), (2675, 5151)]