212487975

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{44971}}^1$

素因数の和:44997

約数の個数: 48

約数和(自身を含む): 446122240

約数和(自身を除く): 233634265

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 135, 175, 189, 225, 315, 525, 675, 945, 1575, 4725, 44971, 134913, 224855, 314797, 404739, 674565, 944391, 1124275, 1214217, 1573985, 2023695, 2833173, 3372825, 4721955, 6071085, 7869925, 8499519, 10118475, 14165865, 23609775, 30355425, 42497595, 70829325, 212487975]

約数ペア:

[(1, 212487975), (3, 70829325), (5, 42497595), (7, 30355425), (9, 23609775), (15, 14165865), (21, 10118475), (25, 8499519), (27, 7869925), (35, 6071085), (45, 4721955), (63, 3372825), (75, 2833173), (105, 2023695), (135, 1573985), (175, 1214217), (189, 1124275), (225, 944391), (315, 674565), (525, 404739), (675, 314797), (945, 224855), (1575, 134913), (4725, 44971)]