165379875

素因数分解:

$3^1\times 5^3\times {\mathrm{53}}^2\times {\mathrm{157}}^1$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 282268896

約数和(自身を除く): 116889021

約数列:

[1, 3, 5, 15, 25, 53, 75, 125, 157, 159, 265, 375, 471, 785, 795, 1325, 2355, 2809, 3925, 3975, 6625, 8321, 8427, 11775, 14045, 19625, 19875, 24963, 41605, 42135, 58875, 70225, 124815, 208025, 210675, 351125, 441013, 624075, 1040125, 1053375, 1323039, 2205065, 3120375, 6615195, 11025325, 33075975, 55126625, 165379875]

約数ペア:

[(1, 165379875), (3, 55126625), (5, 33075975), (15, 11025325), (25, 6615195), (53, 3120375), (75, 2205065), (125, 1323039), (157, 1053375), (159, 1040125), (265, 624075), (375, 441013), (471, 351125), (785, 210675), (795, 208025), (1325, 124815), (2355, 70225), (2809, 58875), (3925, 42135), (3975, 41605), (6625, 24963), (8321, 19875), (8427, 19625), (11775, 14045)]