15600921

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 24634368

約数和(自身を除く): 9033447

約数列:

[1, 3, 7, 21, 53, 107, 131, 159, 321, 371, 393, 749, 917, 1113, 2247, 2751, 5671, 6943, 14017, 17013, 20829, 39697, 42051, 48601, 98119, 119091, 145803, 294357, 742901, 2228703, 5200307, 15600921]

約数ペア:

[(1, 15600921), (3, 5200307), (7, 2228703), (21, 742901), (53, 294357), (107, 145803), (131, 119091), (159, 98119), (321, 48601), (371, 42051), (393, 39697), (749, 20829), (917, 17013), (1113, 14017), (2247, 6943), (2751, 5671)]