20131510365

素因数分解:

$3^4\times 5^1\times {\mathrm{457}}^1\times {\mathrm{108769}}^1$

素因数の和:109243

約数の個数: 40

約数和(自身を含む): 36166895160

約数和(自身を除く): 16035384795

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 457, 1371, 2285, 4113, 6855, 12339, 20565, 37017, 61695, 108769, 185085, 326307, 543845, 978921, 1631535, 2936763, 4894605, 8810289, 14683815, 44051445, 49707433, 149122299, 248537165, 447366897, 745611495, 1342100691, 2236834485, 4026302073, 6710503455, 20131510365]

約数ペア:

[(1, 20131510365), (3, 6710503455), (5, 4026302073), (9, 2236834485), (15, 1342100691), (27, 745611495), (45, 447366897), (81, 248537165), (135, 149122299), (405, 49707433), (457, 44051445), (1371, 14683815), (2285, 8810289), (4113, 4894605), (6855, 2936763), (12339, 1631535), (20565, 978921), (37017, 543845), (61695, 326307), (108769, 185085)]