221444715

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{11597}}^1$

素因数の和:11691

約数の個数: 32

約数和(自身を含む): 378558720

約数和(自身を除く): 157114005

約数列:

[1, 3, 5, 15, 19, 57, 67, 95, 201, 285, 335, 1005, 1273, 3819, 6365, 11597, 19095, 34791, 57985, 173955, 220343, 661029, 776999, 1101715, 2330997, 3305145, 3884995, 11654985, 14762981, 44288943, 73814905, 221444715]

約数ペア:

[(1, 221444715), (3, 73814905), (5, 44288943), (15, 14762981), (19, 11654985), (57, 3884995), (67, 3305145), (95, 2330997), (201, 1101715), (285, 776999), (335, 661029), (1005, 220343), (1273, 173955), (3819, 57985), (6365, 34791), (11597, 19095)]