28777875

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{577}}^1$

素因数の和:621

約数の個数: 64

約数和(自身を含む): 57707520

約数和(自身を除く): 28929645

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 125, 133, 175, 285, 375, 399, 475, 525, 577, 665, 875, 1425, 1731, 1995, 2375, 2625, 2885, 3325, 4039, 7125, 8655, 9975, 10963, 12117, 14425, 16625, 20195, 32889, 43275, 49875, 54815, 60585, 72125, 76741, 100975, 164445, 216375, 230223, 274075, 302925, 383705, 504875, 822225, 1151115, 1370375, 1514625, 1918525, 4111125, 5755575, 9592625, 28777875]

約数ペア:

[(1, 28777875), (3, 9592625), (5, 5755575), (7, 4111125), (15, 1918525), (19, 1514625), (21, 1370375), (25, 1151115), (35, 822225), (57, 504875), (75, 383705), (95, 302925), (105, 274075), (125, 230223), (133, 216375), (175, 164445), (285, 100975), (375, 76741), (399, 72125), (475, 60585), (525, 54815), (577, 49875), (665, 43275), (875, 32889), (1425, 20195), (1731, 16625), (1995, 14425), (2375, 12117), (2625, 10963), (2885, 9975), (3325, 8655), (4039, 7125)]