15653685

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 27939456

約数和(自身を除く): 12285771

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 157, 255, 289, 345, 391, 471, 785, 867, 1173, 1445, 1955, 2355, 2669, 3611, 4335, 5865, 6647, 8007, 10833, 13345, 18055, 19941, 33235, 40035, 45373, 54165, 61387, 99705, 136119, 184161, 226865, 306935, 680595, 920805, 1043579, 3130737, 5217895, 15653685]

約数ペア:

[(1, 15653685), (3, 5217895), (5, 3130737), (15, 1043579), (17, 920805), (23, 680595), (51, 306935), (69, 226865), (85, 184161), (115, 136119), (157, 99705), (255, 61387), (289, 54165), (345, 45373), (391, 40035), (471, 33235), (785, 19941), (867, 18055), (1173, 13345), (1445, 10833), (1955, 8007), (2355, 6647), (2669, 5865), (3611, 4335)]