87820317

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{659}}^1$

素因数の和:762

約数の個数: 48

約数和(自身を含む): 147026880

約数和(自身を除く): 59206563

約数列:

[1, 3, 9, 13, 17, 39, 51, 67, 117, 153, 201, 221, 603, 659, 663, 871, 1139, 1977, 1989, 2613, 3417, 5931, 7839, 8567, 10251, 11203, 14807, 25701, 33609, 44153, 44421, 77103, 100827, 132459, 133263, 145639, 397377, 436917, 573989, 750601, 1310751, 1721967, 2251803, 5165901, 6755409, 9757813, 29273439, 87820317]

約数ペア:

[(1, 87820317), (3, 29273439), (9, 9757813), (13, 6755409), (17, 5165901), (39, 2251803), (51, 1721967), (67, 1310751), (117, 750601), (153, 573989), (201, 436917), (221, 397377), (603, 145639), (659, 133263), (663, 132459), (871, 100827), (1139, 77103), (1977, 44421), (1989, 44153), (2613, 33609), (3417, 25701), (5931, 14807), (7839, 11203), (8567, 10251)]