23407785

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1993}}^1$

素因数の和:2039

約数の個数: 40

約数和(自身を含む): 43429320

約数和(自身を除く): 20021535

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 261, 405, 435, 783, 1305, 1993, 2349, 3915, 5979, 9965, 11745, 17937, 29895, 53811, 57797, 89685, 161433, 173391, 269055, 288985, 520173, 807165, 866955, 1560519, 2600865, 4681557, 7802595, 23407785]

約数ペア:

[(1, 23407785), (3, 7802595), (5, 4681557), (9, 2600865), (15, 1560519), (27, 866955), (29, 807165), (45, 520173), (81, 288985), (87, 269055), (135, 173391), (145, 161433), (261, 89685), (405, 57797), (435, 53811), (783, 29895), (1305, 17937), (1993, 11745), (2349, 9965), (3915, 5979)]