387887283

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1669}}^1$

素因数の和:1737

約数の個数: 72

約数和(自身を含む): 712782720

約数和(自身を除く): 324895437

約数列:

[1, 3, 7, 9, 17, 21, 31, 49, 51, 63, 93, 119, 147, 153, 217, 279, 357, 441, 527, 651, 833, 1071, 1519, 1581, 1669, 1953, 2499, 3689, 4557, 4743, 5007, 7497, 11067, 11683, 13671, 15021, 25823, 28373, 33201, 35049, 51739, 77469, 81781, 85119, 105147, 155217, 198611, 232407, 245343, 255357, 362173, 465651, 595833, 736029, 879563, 1086519, 1390277, 1787499, 2535211, 2638689, 3259557, 4170831, 6156941, 7605633, 7916067, 12512493, 18470823, 22816899, 43098587, 55412469, 129295761, 387887283]

約数ペア:

[(1, 387887283), (3, 129295761), (7, 55412469), (9, 43098587), (17, 22816899), (21, 18470823), (31, 12512493), (49, 7916067), (51, 7605633), (63, 6156941), (93, 4170831), (119, 3259557), (147, 2638689), (153, 2535211), (217, 1787499), (279, 1390277), (357, 1086519), (441, 879563), (527, 736029), (651, 595833), (833, 465651), (1071, 362173), (1519, 255357), (1581, 245343), (1669, 232407), (1953, 198611), (2499, 155217), (3689, 105147), (4557, 85119), (4743, 81781), (5007, 77469), (7497, 51739), (11067, 35049), (11683, 33201), (13671, 28373), (15021, 25823)]