197395185

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 353928960

約数和(自身を除く): 156533775

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 109, 111, 185, 195, 251, 327, 481, 545, 555, 753, 1255, 1417, 1443, 1635, 2405, 3263, 3765, 4033, 4251, 7085, 7215, 9287, 9789, 12099, 16315, 20165, 21255, 27359, 27861, 46435, 48945, 52429, 60495, 82077, 120731, 136795, 139305, 157287, 262145, 355667, 362193, 410385, 603655, 786435, 1012283, 1067001, 1778335, 1810965, 3036849, 5061415, 5335005, 13159679, 15184245, 39479037, 65798395, 197395185]

約数ペア:

[(1, 197395185), (3, 65798395), (5, 39479037), (13, 15184245), (15, 13159679), (37, 5335005), (39, 5061415), (65, 3036849), (109, 1810965), (111, 1778335), (185, 1067001), (195, 1012283), (251, 786435), (327, 603655), (481, 410385), (545, 362193), (555, 355667), (753, 262145), (1255, 157287), (1417, 139305), (1443, 136795), (1635, 120731), (2405, 82077), (3263, 60495), (3765, 52429), (4033, 48945), (4251, 46435), (7085, 27861), (7215, 27359), (9287, 21255), (9789, 20165), (12099, 16315)]