31215078

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:714

約数の個数: 64

約数和(自身を含む): 74188800

約数和(自身を除く): 42973722

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 31, 54, 58, 62, 87, 93, 174, 186, 261, 279, 522, 558, 643, 783, 837, 899, 1286, 1566, 1674, 1798, 1929, 2697, 3858, 5394, 5787, 8091, 11574, 16182, 17361, 18647, 19933, 24273, 34722, 37294, 39866, 48546, 55941, 59799, 111882, 119598, 167823, 179397, 335646, 358794, 503469, 538191, 578057, 1006938, 1076382, 1156114, 1734171, 3468342, 5202513, 10405026, 15607539, 31215078]

約数ペア:

[(1, 31215078), (2, 15607539), (3, 10405026), (6, 5202513), (9, 3468342), (18, 1734171), (27, 1156114), (29, 1076382), (31, 1006938), (54, 578057), (58, 538191), (62, 503469), (87, 358794), (93, 335646), (174, 179397), (186, 167823), (261, 119598), (279, 111882), (522, 59799), (558, 55941), (643, 48546), (783, 39866), (837, 37294), (899, 34722), (1286, 24273), (1566, 19933), (1674, 18647), (1798, 17361), (1929, 16182), (2697, 11574), (3858, 8091), (5394, 5787)]