401608503

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{1867}}^1$

素因数の和:2164

約数の個数: 32

約数和(自身を含む): 616888320

約数和(自身を除く): 215279817

約数列:

[1, 3, 9, 27, 31, 93, 257, 279, 771, 837, 1867, 2313, 5601, 6939, 7967, 16803, 23901, 50409, 57877, 71703, 173631, 215109, 479819, 520893, 1439457, 1562679, 4318371, 12955113, 14874389, 44623167, 133869501, 401608503]

約数ペア:

[(1, 401608503), (3, 133869501), (9, 44623167), (27, 14874389), (31, 12955113), (93, 4318371), (257, 1562679), (279, 1439457), (771, 520893), (837, 479819), (1867, 215109), (2313, 173631), (5601, 71703), (6939, 57877), (7967, 50409), (16803, 23901)]