28805235

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1907}}^1$

素因数の和:1987

約数の個数: 32

約数和(自身を含む): 49455360

約数和(自身を除く): 20650125

約数列:

[1, 3, 5, 15, 19, 53, 57, 95, 159, 265, 285, 795, 1007, 1907, 3021, 5035, 5721, 9535, 15105, 28605, 36233, 101071, 108699, 181165, 303213, 505355, 543495, 1516065, 1920349, 5761047, 9601745, 28805235]

約数ペア:

[(1, 28805235), (3, 9601745), (5, 5761047), (15, 1920349), (19, 1516065), (53, 543495), (57, 505355), (95, 303213), (159, 181165), (265, 108699), (285, 101071), (795, 36233), (1007, 28605), (1907, 15105), (3021, 9535), (5035, 5721)]