281736387

素因数分解:

$3^5\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{457}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 440119680

約数和(自身を除く): 158383293

約数列:

[1, 3, 9, 27, 43, 59, 81, 129, 177, 243, 387, 457, 531, 1161, 1371, 1593, 2537, 3483, 4113, 4779, 7611, 10449, 12339, 14337, 19651, 22833, 26963, 37017, 58953, 68499, 80889, 111051, 176859, 205497, 242667, 530577, 616491, 728001, 1159409, 1591731, 2184003, 3478227, 4775193, 6552009, 10434681, 31304043, 93912129, 281736387]

約数ペア:

[(1, 281736387), (3, 93912129), (9, 31304043), (27, 10434681), (43, 6552009), (59, 4775193), (81, 3478227), (129, 2184003), (177, 1591731), (243, 1159409), (387, 728001), (457, 616491), (531, 530577), (1161, 242667), (1371, 205497), (1593, 176859), (2537, 111051), (3483, 80889), (4113, 68499), (4779, 58953), (7611, 37017), (10449, 26963), (12339, 22833), (14337, 19651)]