27913515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 53913600

約数和(自身を除く): 26000085

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 89, 103, 105, 145, 203, 267, 309, 435, 445, 515, 609, 623, 721, 1015, 1335, 1545, 1869, 2163, 2581, 2987, 3045, 3115, 3605, 7743, 8961, 9167, 9345, 10815, 12905, 14935, 18067, 20909, 27501, 38715, 44805, 45835, 54201, 62727, 64169, 90335, 104545, 137505, 192507, 265843, 271005, 313635, 320845, 797529, 962535, 1329215, 1860901, 3987645, 5582703, 9304505, 27913515]

約数ペア:

[(1, 27913515), (3, 9304505), (5, 5582703), (7, 3987645), (15, 1860901), (21, 1329215), (29, 962535), (35, 797529), (87, 320845), (89, 313635), (103, 271005), (105, 265843), (145, 192507), (203, 137505), (267, 104545), (309, 90335), (435, 64169), (445, 62727), (515, 54201), (609, 45835), (623, 44805), (721, 38715), (1015, 27501), (1335, 20909), (1545, 18067), (1869, 14935), (2163, 12905), (2581, 10815), (2987, 9345), (3045, 9167), (3115, 8961), (3605, 7743)]