23219865

素因数分解:

$3^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{659}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 43243200

約数和(自身を除く): 20023335

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 243, 261, 405, 435, 659, 783, 1215, 1305, 1977, 2349, 3295, 3915, 5931, 7047, 9885, 11745, 17793, 19111, 29655, 35235, 53379, 57333, 88965, 95555, 160137, 171999, 266895, 286665, 515997, 800685, 859995, 1547991, 2579985, 4643973, 7739955, 23219865]

約数ペア:

[(1, 23219865), (3, 7739955), (5, 4643973), (9, 2579985), (15, 1547991), (27, 859995), (29, 800685), (45, 515997), (81, 286665), (87, 266895), (135, 171999), (145, 160137), (243, 95555), (261, 88965), (405, 57333), (435, 53379), (659, 35235), (783, 29655), (1215, 19111), (1305, 17793), (1977, 11745), (2349, 9885), (3295, 7047), (3915, 5931)]