220457355

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{479}}^1\times {\mathrm{503}}^1$

素因数の和:1051

約数の個数: 32

約数和(自身を含む): 359976960

約数和(自身を除く): 139519605

約数列:

[1, 3, 5, 15, 61, 183, 305, 479, 503, 915, 1437, 1509, 2395, 2515, 7185, 7545, 29219, 30683, 87657, 92049, 146095, 153415, 240937, 438285, 460245, 722811, 1204685, 3614055, 14697157, 44091471, 73485785, 220457355]

約数ペア:

[(1, 220457355), (3, 73485785), (5, 44091471), (15, 14697157), (61, 3614055), (183, 1204685), (305, 722811), (479, 460245), (503, 438285), (915, 240937), (1437, 153415), (1509, 146095), (2395, 92049), (2515, 87657), (7185, 30683), (7545, 29219)]