290142645

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{2251}}^1$

素因数の和:2933

約数の個数: 32

約数和(自身を含む): 500916864

約数和(自身を除く): 210774219

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 661, 1983, 2251, 3305, 6753, 8593, 9915, 11255, 25779, 29263, 33765, 42965, 87789, 128895, 146315, 438945, 1487911, 4463733, 7439555, 19342843, 22318665, 58028529, 96714215, 290142645]

約数ペア:

[(1, 290142645), (3, 96714215), (5, 58028529), (13, 22318665), (15, 19342843), (39, 7439555), (65, 4463733), (195, 1487911), (661, 438945), (1983, 146315), (2251, 128895), (3305, 87789), (6753, 42965), (8593, 33765), (9915, 29263), (11255, 25779)]